Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes:

  • Attention: Technicians are currently working to bring Precipitation datasets back to full capability after the April 16 outage.
  • NWPS - water.noaa.gov - Officially operational on Wednesday, March 27th, 8-9am EDT
  • AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024 - the pages will automatically redirect to water.noaa.gov until May 28, 2025.
  • Other Important URL changes - Service Change Notice 24-29 

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Thorn Creek at Thornton Stage (ft)Flow (kcfs)Observed: 3.12 ft at 11:45AM Apr 18, 2024Observed: 3.1 ft at 12:00PM Apr 18, 2024Observed: 3.12 ft at 12:15PM Apr 18, 2024Observed: 3.12 ft at 12:30PM Apr 18, 2024Observed: 3.1 ft at 12:45PM Apr 18, 2024Observed: 3.11 ft at 1:00PM Apr 18, 2024Observed: 3.11 ft at 1:15PM Apr 18, 2024Observed: 3.12 ft at 1:30PM Apr 18, 2024Observed: 3.11 ft at 1:45PM Apr 18, 2024Observed: 3.13 ft at 2:00PM Apr 18, 2024Observed: 3.12 ft at 2:15PM Apr 18, 2024Observed: 3.13 ft at 2:30PM Apr 18, 2024Observed: 3.14 ft at 2:45PM Apr 18, 2024Observed: 3.13 ft at 3:00PM Apr 18, 2024Observed: 3.11 ft at 3:15PM Apr 18, 2024Observed: 3.13 ft at 3:30PM Apr 18, 2024Observed: 3.12 ft at 3:45PM Apr 18, 2024Observed: 3.13 ft at 4:00PM Apr 18, 2024Observed: 3.13 ft at 4:15PM Apr 18, 2024Observed: 3.13 ft at 4:30PM Apr 18, 2024Observed: 3.12 ft at 4:45PM Apr 18, 2024Observed: 3.13 ft at 5:00PM Apr 18, 2024Observed: 3.12 ft at 5:15PM Apr 18, 2024Observed: 3.13 ft at 5:30PM Apr 18, 2024Observed: 3.13 ft at 5:45PM Apr 18, 2024Observed: 3.13 ft at 6:00PM Apr 18, 2024Observed: 3.12 ft at 6:15PM Apr 18, 2024Observed: 3.13 ft at 6:30PM Apr 18, 2024Observed: 3.13 ft at 6:45PM Apr 18, 2024Observed: 3.12 ft at 7:00PM Apr 18, 2024Observed: 3.11 ft at 7:15PM Apr 18, 2024Observed: 3.12 ft at 7:30PM Apr 18, 2024Observed: 3.12 ft at 7:45PM Apr 18, 2024Observed: 3.12 ft at 8:00PM Apr 18, 2024Observed: 3.12 ft at 8:15PM Apr 18, 2024Observed: 3.11 ft at 8:30PM Apr 18, 2024Observed: 3.12 ft at 8:45PM Apr 18, 2024Observed: 3.12 ft at 9:00PM Apr 18, 2024Observed: 3.12 ft at 9:15PM Apr 18, 2024Observed: 3.13 ft at 9:30PM Apr 18, 2024Observed: 3.12 ft at 9:45PM Apr 18, 2024Observed: 3.13 ft at 10:00PM Apr 18, 2024Observed: 3.16 ft at 10:15PM Apr 18, 2024Observed: 3.15 ft at 10:30PM Apr 18, 2024Observed: 3.15 ft at 10:45PM Apr 18, 2024Observed: 3.14 ft at 11:00PM Apr 18, 2024Observed: 3.13 ft at 11:15PM Apr 18, 2024Observed: 3.14 ft at 11:30PM Apr 18, 2024Observed: 3.14 ft at 11:45PM Apr 18, 2024Observed: 3.15 ft at 12:00AM Apr 19, 2024Observed: 3.17 ft at 12:15AM Apr 19, 2024Observed: 3.17 ft at 12:30AM Apr 19, 2024Observed: 3.18 ft at 12:45AM Apr 19, 2024Observed: 3.21 ft at 1:00AM Apr 19, 2024Observed: 3.23 ft at 1:15AM Apr 19, 2024Observed: 3.26 ft at 1:30AM Apr 19, 2024Observed: 3.31 ft at 1:45AM Apr 19, 2024Observed: 3.35 ft at 2:00AM Apr 19, 2024Observed: 3.39 ft at 2:15AM Apr 19, 2024Observed: 3.41 ft at 2:30AM Apr 19, 2024Observed: 3.46 ft at 2:45AM Apr 19, 2024Observed: 3.48 ft at 3:00AM Apr 19, 2024Observed: 3.48 ft at 3:15AM Apr 19, 2024Observed: 3.48 ft at 3:30AM Apr 19, 2024Observed: 3.49 ft at 3:45AM Apr 19, 2024Observed: 3.46 ft at 4:00AM Apr 19, 2024Observed: 3.48 ft at 4:15AM Apr 19, 2024Observed: 3.45 ft at 4:30AM Apr 19, 2024Observed: 3.46 ft at 4:45AM Apr 19, 2024Observed: 3.43 ft at 5:00AM Apr 19, 2024Observed: 3.46 ft at 5:15AM Apr 19, 2024Observed: 3.47 ft at 5:30AM Apr 19, 2024Observed: 3.47 ft at 5:45AM Apr 19, 2024Observed: 3.47 ft at 6:00AM Apr 19, 2024Observed: 3.48 ft at 6:15AM Apr 19, 2024Highest Observation: 3.5 ft at 6:30AM Apr 19, 2024Highest Observation: 3.5 ft at 6:45AM Apr 19, 2024Observed: 3.49 ft at 7:00AM Apr 19, 2024Highest Observation: 3.5 ft at 7:15AM Apr 19, 2024Observed: 3.49 ft at 7:30AM Apr 19, 2024Observed: 3.48 ft at 7:45AM Apr 19, 2024Observed: 3.48 ft at 8:00AM Apr 19, 2024Observed: 3.48 ft at 8:15AM Apr 19, 2024Observed: 3.44 ft at 8:30AM Apr 19, 2024Observed: 3.45 ft at 8:45AM Apr 19, 2024Observed: 3.44 ft at 9:00AM Apr 19, 2024Observed: 3.43 ft at 9:15AM Apr 19, 2024Observed: 3.42 ft at 9:30AM Apr 19, 2024Observed: 3.42 ft at 9:45AM Apr 19, 2024Observed: 3.41 ft at 10:00AM Apr 19, 2024Observed: 3.4 ft at 10:15AM Apr 19, 2024Observed: 3.4 ft at 10:30AM Apr 19, 2024Observed: 3.4 ft at 10:45AM Apr 19, 2024Observed: 3.38 ft at 11:00AM Apr 19, 2024Observed: 3.37 ft at 11:15AM Apr 19, 2024Observed: 3.41 ft at 11:30AM Apr 19, 2024Observed: 3.38 ft at 11:45AM Apr 19, 2024Observed: 3.4 ft at 12:00PM Apr 19, 2024Observed: 3.38 ft at 12:15PM Apr 19, 2024Observed: 3.37 ft at 12:30PM Apr 19, 2024Observed: 3.35 ft at 12:45PM Apr 19, 2024Observed: 3.37 ft at 1:00PM Apr 19, 2024Observed: 3.37 ft at 1:15PM Apr 19, 2024Observed: 3.37 ft at 1:30PM Apr 19, 2024Observed: 3.36 ft at 1:45PM Apr 19, 2024Observed: 3.33 ft at 2:00PM Apr 19, 2024Observed: 3.38 ft at 2:15PM Apr 19, 2024Observed: 3.35 ft at 2:30PM Apr 19, 2024Observed: 3.35 ft at 2:45PM Apr 19, 2024Observed: 3.33 ft at 3:00PM Apr 19, 2024Observed: 3.34 ft at 3:15PM Apr 19, 2024Observed: 3.33 ft at 3:30PM Apr 19, 2024Observed: 3.31 ft at 3:45PM Apr 19, 2024Observed: 3.33 ft at 4:00PM Apr 19, 2024Observed: 3.32 ft at 4:15PM Apr 19, 2024Observed: 3.32 ft at 4:30PM Apr 19, 2024Observed: 3.3 ft at 4:45PM Apr 19, 2024Observed: 3.3 ft at 5:00PM Apr 19, 2024Observed: 3.3 ft at 5:15PM Apr 19, 2024Observed: 3.3 ft at 5:30PM Apr 19, 2024Observed: 3.29 ft at 5:45PM Apr 19, 2024Observed: 3.28 ft at 6:00PM Apr 19, 2024Observed: 3.29 ft at 6:15PM Apr 19, 2024Observed: 3.27 ft at 6:30PM Apr 19, 2024Observed: 3.29 ft at 6:45PM Apr 19, 2024Observed: 3.27 ft at 7:00PM Apr 19, 2024Observed: 3.27 ft at 7:15PM Apr 19, 2024Observed: 3.27 ft at 7:30PM Apr 19, 2024Observed: 3.27 ft at 7:45PM Apr 19, 2024Observed: 3.27 ft at 8:00PM Apr 19, 2024Observed: 3.26 ft at 8:15PM Apr 19, 2024Observed: 3.26 ft at 8:30PM Apr 19, 2024Observed: 3.25 ft at 8:45PM Apr 19, 2024Observed: 3.27 ft at 9:00PM Apr 19, 2024Observed: 3.25 ft at 9:15PM Apr 19, 2024Observed: 3.24 ft at 9:30PM Apr 19, 2024Observed: 3.26 ft at 9:45PM Apr 19, 2024Observed: 3.24 ft at 10:00PM Apr 19, 2024Observed: 3.24 ft at 10:15PM Apr 19, 2024Observed: 3.24 ft at 10:30PM Apr 19, 2024Observed: 3.25 ft at 10:45PM Apr 19, 2024Observed: 3.24 ft at 11:00PM Apr 19, 2024Observed: 3.23 ft at 11:15PM Apr 19, 2024Observed: 3.24 ft at 11:30PM Apr 19, 2024Observed: 3.22 ft at 11:45PM Apr 19, 2024Observed: 3.23 ft at 12:00AM Apr 20, 2024Observed: 3.23 ft at 12:15AM Apr 20, 2024Observed: 3.24 ft at 12:30AM Apr 20, 2024Observed: 3.23 ft at 12:45AM Apr 20, 2024Observed: 3.21 ft at 1:00AM Apr 20, 2024Observed: 3.23 ft at 1:15AM Apr 20, 2024Observed: 3.21 ft at 1:30AM Apr 20, 2024Observed: 3.21 ft at 1:45AM Apr 20, 2024Observed: 3.22 ft at 2:00AM Apr 20, 2024Observed: 3.21 ft at 2:15AM Apr 20, 2024Observed: 3.22 ft at 2:30AM Apr 20, 2024Observed: 3.21 ft at 2:45AM Apr 20, 2024Observed: 3.2 ft at 3:00AM Apr 20, 2024Observed: 3.22 ft at 3:15AM Apr 20, 2024Observed: 3.2 ft at 3:30AM Apr 20, 2024Observed: 3.21 ft at 3:45AM Apr 20, 2024Observed: 3.2 ft at 4:00AM Apr 20, 2024Observed: 3.19 ft at 4:15AM Apr 20, 2024Observed: 3.19 ft at 4:30AM Apr 20, 2024Observed: 3.18 ft at 4:45AM Apr 20, 2024Observed: 3.19 ft at 5:00AM Apr 20, 2024Observed: 3.19 ft at 5:15AM Apr 20, 2024Observed: 3.2 ft at 5:30AM Apr 20, 2024Observed: 3.17 ft at 5:45AM Apr 20, 2024Observed: 3.18 ft at 6:00AM Apr 20, 2024Observed: 3.18 ft at 6:15AM Apr 20, 2024Observed: 3.19 ft at 6:30AM Apr 20, 2024Observed: 3.17 ft at 6:45AM Apr 20, 2024Observed: 3.17 ft at 7:00AM Apr 20, 2024Observed: 3.16 ft at 7:15AM Apr 20, 2024Observed: 3.16 ft at 7:30AM Apr 20, 2024Observed: 3.16 ft at 7:45AM Apr 20, 2024Observed: 3.16 ft at 8:00AM Apr 20, 2024Observed: 3.15 ft at 8:15AM Apr 20, 2024Observed: 3.15 ft at 8:30AM Apr 20, 2024Observed: 3.15 ft at 8:45AM Apr 20, 2024Observed: 3.16 ft at 9:00AM Apr 20, 2024Observed: 3.14 ft at 9:15AM Apr 20, 2024Observed: 3.15 ft at 9:30AM Apr 20, 2024Observed: 3.14 ft at 9:45AM Apr 20, 2024Observed: 3.14 ft at 10:15AM Apr 20, 2024Observed: 3.14 ft at 10:30AM Apr 20, 2024Observed: 3.14 ft at 10:45AM Apr 20, 2024Observed: 3.14 ft at 11:00AM Apr 20, 2024Observed: 3.13 ft at 11:15AM Apr 20, 2024Observed: 3.13 ft at 12:00PM Apr 20, 2024Observed: 3.14 ft at 12:15PM Apr 20, 2024Observed: 3.13 ft at 12:30PM Apr 20, 2024Observed: 3.13 ft at 12:45PM Apr 20, 2024Observed: 3.13 ft at 1:15PM Apr 20, 2024Observed: 3.14 ft at 1:30PM Apr 20, 2024Observed: 3.13 ft at 1:45PM Apr 20, 2024Observed: 3.12 ft at 2:00PM Apr 20, 2024Observed: 3.14 ft at 2:15PM Apr 20, 2024Observed: 3.13 ft at 2:30PM Apr 20, 2024Observed: 3.14 ft at 2:45PM Apr 20, 2024Observed: 3.14 ft at 3:00PM Apr 20, 2024Observed: 3.15 ft at 3:15PM Apr 20, 2024Observed: 3.14 ft at 3:30PM Apr 20, 2024Observed: 3.15 ft at 3:45PM Apr 20, 2024Observed: 3.13 ft at 4:00PM Apr 20, 2024Observed: 3.14 ft at 4:15PM Apr 20, 2024Observed: 3.14 ft at 4:30PM Apr 20, 2024Observed: 3.14 ft at 4:45PM Apr 20, 2024Observed: 3.15 ft at 5:00PM Apr 20, 2024Observed: 3.14 ft at 5:15PM Apr 20, 2024Observed: 3.15 ft at 5:30PM Apr 20, 2024Observed: 3.15 ft at 5:45PM Apr 20, 2024Observed: 3.15 ft at 6:00PM Apr 20, 2024Observed: 3.15 ft at 6:15PM Apr 20, 2024Observed: 3.15 ft at 6:30PM Apr 20, 2024Observed: 3.15 ft at 6:45PM Apr 20, 2024Observed: 3.14 ft at 7:00PM Apr 20, 2024Observed: 3.14 ft at 7:15PM Apr 20, 2024Observed: 3.15 ft at 7:30PM Apr 20, 2024Observed: 3.16 ft at 7:45PM Apr 20, 2024Observed: 3.14 ft at 8:00PM Apr 20, 2024Observed: 3.14 ft at 8:15PM Apr 20, 2024Observed: 3.12 ft at 8:30PM Apr 20, 2024Observed: 3.13 ft at 8:45PM Apr 20, 2024Observed: 3.14 ft at 9:00PM Apr 20, 2024Observed: 3.14 ft at 9:15PM Apr 20, 2024Observed: 3.13 ft at 9:30PM Apr 20, 2024Observed: 3.13 ft at 9:45PM Apr 20, 2024Observed: 3.13 ft at 10:00PM Apr 20, 2024Observed: 3.14 ft at 10:15PM Apr 20, 2024Observed: 3.13 ft at 10:30PM Apr 20, 2024Observed: 3.13 ft at 10:45PM Apr 20, 2024Observed: 3.12 ft at 11:00PM Apr 20, 2024Observed: 3.13 ft at 11:15PM Apr 20, 2024Observed: 3.14 ft at 11:30PM Apr 20, 2024Observed: 3.12 ft at 11:45PM Apr 20, 2024Observed: 3.12 ft at 12:00AM Apr 21, 2024Observed: 3.12 ft at 12:15AM Apr 21, 2024Observed: 3.12 ft at 12:30AM Apr 21, 2024Observed: 3.12 ft at 12:45AM Apr 21, 2024Observed: 3.12 ft at 1:00AM Apr 21, 2024Observed: 3.12 ft at 1:15AM Apr 21, 2024Observed: 3.1 ft at 1:30AM Apr 21, 2024Observed: 3.11 ft at 1:45AM Apr 21, 2024Observed: 3.11 ft at 2:00AM Apr 21, 2024Observed: 3.12 ft at 2:15AM Apr 21, 2024Observed: 3.11 ft at 2:30AM Apr 21, 2024Observed: 3.11 ft at 2:45AM Apr 21, 2024Observed: 3.1 ft at 3:00AM Apr 21, 2024Observed: 3.1 ft at 3:15AM Apr 21, 2024Observed: 3.1 ft at 3:30AM Apr 21, 2024Observed: 3.1 ft at 3:45AM Apr 21, 2024Observed: 3.11 ft at 4:00AM Apr 21, 2024Observed: 3.09 ft at 4:15AM Apr 21, 2024Observed: 3.1 ft at 4:30AM Apr 21, 2024Observed: 3.08 ft at 4:45AM Apr 21, 2024Observed: 3.09 ft at 5:00AM Apr 21, 2024Observed: 3.09 ft at 5:15AM Apr 21, 2024Observed: 3.09 ft at 5:30AM Apr 21, 2024Observed: 3.09 ft at 5:45AM Apr 21, 2024Observed: 3.08 ft at 6:00AM Apr 21, 2024Observed: 3.07 ft at 6:15AM Apr 21, 2024Observed: 3.08 ft at 6:30AM Apr 21, 2024Observed: 3.08 ft at 6:45AM Apr 21, 2024Observed: 3.07 ft at 7:00AM Apr 21, 2024Observed: 3.08 ft at 7:15AM Apr 21, 2024Observed: 3.08 ft at 7:30AM Apr 21, 2024Observed: 3.06 ft at 7:45AM Apr 21, 2024Observed: 3.07 ft at 8:00AM Apr 21, 2024Observed: 3.06 ft at 8:15AM Apr 21, 2024Observed: 3.07 ft at 8:30AM Apr 21, 2024Observed: 3.07 ft at 8:45AM Apr 21, 2024Observed: 3.05 ft at 9:00AM Apr 21, 2024Observed: 3.05 ft at 9:15AM Apr 21, 2024Observed: 3.06 ft at 9:30AM Apr 21, 2024Observed: 3.06 ft at 9:45AM Apr 21, 2024Observed: 3.04 ft at 10:00AM Apr 21, 2024Observed: 3.04 ft at 10:15AM Apr 21, 2024Observed: 3.06 ft at 10:30AM Apr 21, 2024Observed: 3.06 ft at 10:45AM Apr 21, 2024Observed: 3.04 ft at 11:00AM Apr 21, 2024Observed: 3.06 ft at 11:15AM Apr 21, 2024Observed: 3.05 ft at 11:30AM Apr 21, 2024Observed: 3.05 ft at 11:45AM Apr 21, 2024Observed: 3.04 ft at 12:00PM Apr 21, 2024Observed: 3.04 ft at 12:15PM Apr 21, 2024Observed: 3.04 ft at 12:30PM Apr 21, 2024Observed: 3.03 ft at 12:45PM Apr 21, 2024Observed: 3.04 ft at 1:00PM Apr 21, 2024Observed: 3.04 ft at 1:15PM Apr 21, 2024Observed: 3.04 ft at 1:30PM Apr 21, 2024Observed: 3.05 ft at 1:45PM Apr 21, 2024Observed: 3.05 ft at 2:00PM Apr 21, 2024Observed: 3.06 ft at 2:15PM Apr 21, 2024Observed: 3.06 ft at 2:30PM Apr 21, 2024Observed: 3.07 ft at 2:45PM Apr 21, 2024Observed: 3.05 ft at 3:00PM Apr 21, 2024Observed: 3.05 ft at 3:15PM Apr 21, 2024Observed: 3.04 ft at 3:30PM Apr 21, 2024Observed: 3.06 ft at 3:45PM Apr 21, 2024Observed: 3.07 ft at 4:00PM Apr 21, 2024Observed: 3.06 ft at 4:15PM Apr 21, 2024Observed: 3.07 ft at 4:30PM Apr 21, 2024Observed: 3.07 ft at 4:45PM Apr 21, 2024Observed: 3.08 ft at 5:00PM Apr 21, 2024Observed: 3.06 ft at 5:15PM Apr 21, 2024Observed: 3.07 ft at 5:30PM Apr 21, 2024Observed: 3.08 ft at 5:45PM Apr 21, 2024Observed: 3.07 ft at 6:00PM Apr 21, 2024Observed: 3.07 ft at 6:15PM Apr 21, 2024Observed: 3.07 ft at 6:30PM Apr 21, 2024Observed: 3.08 ft at 6:45PM Apr 21, 2024Observed: 3.07 ft at 7:00PM Apr 21, 2024Observed: 3.08 ft at 7:15PM Apr 21, 2024Observed: 3.07 ft at 7:30PM Apr 21, 2024Observed: 3.07 ft at 7:45PM Apr 21, 2024Observed: 3.07 ft at 8:00PM Apr 21, 2024Observed: 3.06 ft at 8:15PM Apr 21, 2024Observed: 3.07 ft at 8:30PM Apr 21, 2024Observed: 3.08 ft at 8:45PM Apr 21, 2024Observed: 3.07 ft at 9:00PM Apr 21, 2024Observed: 3.07 ft at 9:15PM Apr 21, 2024Observed: 3.07 ft at 9:30PM Apr 21, 2024Observed: 3.07 ft at 9:45PM Apr 21, 2024Observed: 3.06 ft at 10:00PM Apr 21, 2024Observed: 3.06 ft at 10:15PM Apr 21, 2024Observed: 3.06 ft at 10:30PM Apr 21, 2024Observed: 3.07 ft at 10:45PM Apr 21, 2024Observed: 3.06 ft at 11:00PM Apr 21, 2024Observed: 3.06 ft at 11:15PM Apr 21, 2024Observed: 3.05 ft at 11:30PM Apr 21, 2024Observed: 3.06 ft at 11:45PM Apr 21, 2024Observed: 3.06 ft at 12:00AM Apr 22, 2024Observed: 3.06 ft at 12:15AM Apr 22, 2024Observed: 3.06 ft at 12:30AM Apr 22, 2024Observed: 3.05 ft at 12:45AM Apr 22, 2024Observed: 3.05 ft at 1:00AM Apr 22, 2024Observed: 3.05 ft at 1:15AM Apr 22, 2024Observed: 3.06 ft at 1:30AM Apr 22, 2024Observed: 3.07 ft at 1:45AM Apr 22, 2024Observed: 3.05 ft at 2:00AM Apr 22, 2024Observed: 3.05 ft at 2:15AM Apr 22, 2024Observed: 3.04 ft at 2:30AM Apr 22, 2024Observed: 3.05 ft at 2:45AM Apr 22, 2024Observed: 3.04 ft at 3:00AM Apr 22, 2024Observed: 3.07 ft at 3:15AM Apr 22, 2024Observed: 3.05 ft at 3:30AM Apr 22, 2024Observed: 3.05 ft at 3:45AM Apr 22, 2024Observed: 3.06 ft at 4:00AM Apr 22, 2024Observed: 3.05 ft at 4:15AM Apr 22, 2024Observed: 3.06 ft at 4:30AM Apr 22, 2024Observed: 3.06 ft at 4:45AM Apr 22, 2024Observed: 3.05 ft at 5:00AM Apr 22, 2024Observed: 3.04 ft at 5:15AM Apr 22, 2024Observed: 3.04 ft at 5:30AM Apr 22, 2024Observed: 3.04 ft at 5:45AM Apr 22, 2024Observed: 3.05 ft at 6:00AM Apr 22, 2024Observed: 3.04 ft at 6:15AM Apr 22, 2024Observed: 3.04 ft at 6:30AM Apr 22, 2024Observed: 3.03 ft at 6:45AM Apr 22, 2024Observed: 3.03 ft at 7:00AM Apr 22, 2024Observed: 3 ft at 7:15AM Apr 22, 2024Observed: 3.03 ft at 7:30AM Apr 22, 2024Observed: 3.02 ft at 7:45AM Apr 22, 2024Observed: 3.01 ft at 8:00AM Apr 22, 2024Observed: 3.01 ft at 8:15AM Apr 22, 2024Observed: 3.02 ft at 8:30AM Apr 22, 2024Observed: 3.01 ft at 8:45AM Apr 22, 2024Observed: 3.02 ft at 9:00AM Apr 22, 2024Observed: 3.01 ft at 9:15AM Apr 22, 2024Observed: 3 ft at 9:30AM Apr 22, 2024Observed: 3 ft at 9:45AM Apr 22, 2024Observed: 2.99 ft at 10:00AM Apr 22, 2024Observed: 2.98 ft at 10:15AM Apr 22, 2024Observed: 2.99 ft at 10:30AM Apr 22, 2024Observed: 3.02 ft at 10:45AM Apr 22, 2024Observed: 2.99 ft at 11:00AM Apr 22, 2024Observed: 2.98 ft at 11:15AM Apr 22, 2024Observed: 2.99 ft at 11:30AM Apr 22, 2024Observed: 2.99 ft at 11:45AM Apr 22, 2024Observed: 3.01 ft at 12:00PM Apr 22, 2024Observed: 2.98 ft at 12:15PM Apr 22, 2024Observed: 3 ft at 12:30PM Apr 22, 2024Observed: 3 ft at 12:45PM Apr 22, 2024Observed: 3 ft at 1:00PM Apr 22, 2024Observed: 3.01 ft at 1:15PM Apr 22, 2024Observed: 3.01 ft at 1:30PM Apr 22, 2024Observed: 3.01 ft at 1:45PM Apr 22, 2024Observed: 3.01 ft at 2:00PM Apr 22, 2024Observed: 3.02 ft at 2:15PM Apr 22, 2024Observed: 3.01 ft at 2:30PM Apr 22, 2024Observed: 3.03 ft at 2:45PM Apr 22, 2024Observed: 3.03 ft at 3:00PM Apr 22, 2024Observed: 3.02 ft at 3:15PM Apr 22, 2024Observed: 3.03 ft at 3:30PM Apr 22, 2024Observed: 3.04 ft at 3:45PM Apr 22, 2024Observed: 3.02 ft at 4:00PM Apr 22, 2024Observed: 3.03 ft at 4:15PM Apr 22, 2024Observed: 3.03 ft at 4:30PM Apr 22, 2024Observed: 3.03 ft at 4:45PM Apr 22, 2024Observed: 3.02 ft at 5:00PM Apr 22, 2024Observed: 3.03 ft at 5:15PM Apr 22, 2024Observed: 3.02 ft at 5:30PM Apr 22, 2024Observed: 3.03 ft at 5:45PM Apr 22, 2024Observed: 3.02 ft at 6:00PM Apr 22, 2024Observed: 3.01 ft at 6:15PM Apr 22, 2024Observed: 3.03 ft at 6:30PM Apr 22, 2024Observed: 3.03 ft at 6:45PM Apr 22, 2024Observed: 3.02 ft at 7:00PM Apr 22, 2024Observed: 3.02 ft at 7:15PM Apr 22, 2024Observed: 3.02 ft at 7:30PM Apr 22, 2024Observed: 3.02 ft at 7:45PM Apr 22, 2024Observed: 3.03 ft at 8:00PM Apr 22, 2024Observed: 3.02 ft at 8:15PM Apr 22, 2024Observed: 3.02 ft at 8:30PM Apr 22, 2024Observed: 3.02 ft at 8:45PM Apr 22, 2024Observed: 3 ft at 9:00PM Apr 22, 2024Observed: 3.01 ft at 9:15PM Apr 22, 2024Observed: 3.01 ft at 9:30PM Apr 22, 2024Observed: 3.01 ft at 9:45PM Apr 22, 2024Observed: 3.02 ft at 10:00PM Apr 22, 2024Observed: 3.02 ft at 10:15PM Apr 22, 2024Observed: 3.01 ft at 10:30PM Apr 22, 2024Observed: 3 ft at 10:45PM Apr 22, 2024Observed: 3.01 ft at 11:00PM Apr 22, 2024Observed: 3.01 ft at 11:15PM Apr 22, 2024Observed: 3.02 ft at 11:30PM Apr 22, 2024Observed: 3.01 ft at 11:45PM Apr 22, 2024Observed: 3.01 ft at 12:00AM Apr 23, 2024Observed: 3 ft at 12:15AM Apr 23, 2024Observed: 3 ft at 12:30AM Apr 23, 2024Observed: 3.01 ft at 12:45AM Apr 23, 2024Observed: 3.01 ft at 1:00AM Apr 23, 2024Observed: 3.01 ft at 1:15AM Apr 23, 2024Observed: 3.01 ft at 1:30AM Apr 23, 2024Observed: 3.01 ft at 1:45AM Apr 23, 2024Observed: 3.01 ft at 2:00AM Apr 23, 2024Observed: 3.01 ft at 2:15AM Apr 23, 2024Observed: 3 ft at 2:30AM Apr 23, 2024Observed: 3 ft at 2:45AM Apr 23, 2024Observed: 3.01 ft at 3:00AM Apr 23, 2024Observed: 3.01 ft at 3:15AM Apr 23, 2024Observed: 3.01 ft at 3:30AM Apr 23, 2024Observed: 3.01 ft at 3:45AM Apr 23, 2024Observed: 3 ft at 4:00AM Apr 23, 2024Observed: 3.02 ft at 4:15AM Apr 23, 2024Observed: 3.02 ft at 4:30AM Apr 23, 2024Observed: 3 ft at 4:45AM Apr 23, 2024Observed: 2.99 ft at 5:00AM Apr 23, 2024Observed: 3 ft at 5:15AM Apr 23, 2024Observed: 3 ft at 5:30AM Apr 23, 2024Observed: 3.01 ft at 5:45AM Apr 23, 2024Observed: 3 ft at 6:00AM Apr 23, 2024Observed: 2.98 ft at 6:15AM Apr 23, 2024Observed: 2.99 ft at 6:30AM Apr 23, 2024Observed: 2.99 ft at 6:45AM Apr 23, 2024Observed: 3 ft at 7:00AM Apr 23, 2024Observed: 2.98 ft at 7:15AM Apr 23, 2024Observed: 2.99 ft at 7:30AM Apr 23, 2024Observed: 2.99 ft at 7:45AM Apr 23, 2024Observed: 2.98 ft at 8:00AM Apr 23, 2024Observed: 2.97 ft at 8:15AM Apr 23, 2024Observed: 2.96 ft at 8:30AM Apr 23, 2024Observed: 2.97 ft at 8:45AM Apr 23, 2024Observed: 2.96 ft at 9:00AM Apr 23, 2024Observed: 2.96 ft at 9:15AM Apr 23, 2024Observed: 2.97 ft at 9:30AM Apr 23, 2024Observed: 2.97 ft at 9:45AM Apr 23, 2024Observed: 2.96 ft at 10:00AM Apr 23, 2024Observed: 2.95 ft at 10:15AM Apr 23, 2024Observed: 2.95 ft at 10:30AM Apr 23, 2024Observed: 2.95 ft at 10:45AM Apr 23, 2024Observed: 2.96 ft at 11:00AM Apr 23, 2024Observed: 2.96 ft at 11:15AM Apr 23, 2024Observed: 2.95 ft at 11:30AM Apr 23, 2024Observed: 2.95 ft at 11:45AM Apr 23, 2024Observed: 2.95 ft at 12:00PM Apr 23, 2024Observed: 2.95 ft at 12:15PM Apr 23, 2024Observed: 2.95 ft at 12:30PM Apr 23, 2024Observed: 2.97 ft at 12:45PM Apr 23, 2024Observed: 2.96 ft at 1:00PM Apr 23, 2024Observed: 2.96 ft at 1:15PM Apr 23, 2024Observed: 2.97 ft at 1:30PM Apr 23, 2024Observed: 2.97 ft at 1:45PM Apr 23, 2024Observed: 2.98 ft at 2:00PM Apr 23, 2024Observed: 2.98 ft at 2:15PM Apr 23, 2024Observed: 2.99 ft at 2:30PM Apr 23, 2024Observed: 2.99 ft at 2:45PM Apr 23, 2024Observed: 2.99 ft at 3:00PM Apr 23, 2024Observed: 3 ft at 3:15PM Apr 23, 2024Observed: 2.99 ft at 3:30PM Apr 23, 2024Observed: 2.98 ft at 3:45PM Apr 23, 2024Observed: 3 ft at 4:00PM Apr 23, 2024Observed: 3 ft at 4:15PM Apr 23, 2024Observed: 3 ft at 4:30PM Apr 23, 2024Observed: 3 ft at 4:45PM Apr 23, 2024Observed: 3 ft at 5:00PM Apr 23, 2024Observed: 2.99 ft at 5:15PM Apr 23, 2024Observed: 3 ft at 5:30PM Apr 23, 2024Observed: 2.99 ft at 5:45PM Apr 23, 2024Observed: 3 ft at 6:00PM Apr 23, 2024Observed: 2.99 ft at 6:15PM Apr 23, 2024Observed: 2.99 ft at 6:30PM Apr 23, 2024Observed: 3 ft at 6:45PM Apr 23, 2024Observed: 3.01 ft at 7:00PM Apr 23, 2024Observed: 3 ft at 7:15PM Apr 23, 2024Observed: 2.98 ft at 7:30PM Apr 23, 2024Observed: 2.99 ft at 7:45PM Apr 23, 2024Observed: 2.99 ft at 8:00PM Apr 23, 2024Observed: 3 ft at 8:15PM Apr 23, 2024Observed: 3 ft at 8:30PM Apr 23, 2024Observed: 3 ft at 8:45PM Apr 23, 2024Observed: 2.99 ft at 9:00PM Apr 23, 2024Observed: 2.99 ft at 9:15PM Apr 23, 2024Observed: 2.99 ft at 9:30PM Apr 23, 2024Observed: 3 ft at 9:45PM Apr 23, 2024Observed: 3 ft at 10:00PM Apr 23, 2024Observed: 3 ft at 10:15PM Apr 23, 2024Observed: 2.98 ft at 10:30PM Apr 23, 2024Observed: 2.99 ft at 10:45PM Apr 23, 2024Observed: 2.99 ft at 11:00PM Apr 23, 2024Observed: 3 ft at 11:15PM Apr 23, 2024Observed: 2.99 ft at 11:30PM Apr 23, 2024Observed: 2.99 ft at 11:45PM Apr 23, 2024Observed: 2.99 ft at 12:00AM Apr 24, 2024Observed: 2.99 ft at 12:15AM Apr 24, 2024Observed: 2.99 ft at 12:30AM Apr 24, 2024Observed: 3 ft at 12:45AM Apr 24, 2024Observed: 2.99 ft at 1:00AM Apr 24, 2024Observed: 2.98 ft at 1:15AM Apr 24, 2024Observed: 2.99 ft at 1:30AM Apr 24, 2024Observed: 2.98 ft at 1:45AM Apr 24, 2024Observed: 2.99 ft at 2:00AM Apr 24, 2024Observed: 3 ft at 2:15AM Apr 24, 2024Observed: 2.98 ft at 2:30AM Apr 24, 2024Observed: 2.97 ft at 2:45AM Apr 24, 2024Observed: 2.99 ft at 3:00AM Apr 24, 2024Observed: 2.99 ft at 3:15AM Apr 24, 2024Observed: 2.99 ft at 3:30AM Apr 24, 2024Observed: 2.99 ft at 3:45AM Apr 24, 2024Observed: 2.98 ft at 4:00AM Apr 24, 2024Observed: 2.99 ft at 4:15AM Apr 24, 2024Observed: 3 ft at 4:30AM Apr 24, 2024Observed: 2.99 ft at 4:45AM Apr 24, 2024Observed: 2.98 ft at 5:00AM Apr 24, 2024Observed: 2.99 ft at 5:15AM Apr 24, 2024Observed: 2.98 ft at 5:30AM Apr 24, 2024Observed: 2.97 ft at 5:45AM Apr 24, 2024Observed: 2.97 ft at 6:00AM Apr 24, 2024Observed: 2.97 ft at 6:15AM Apr 24, 2024Observed: 2.97 ft at 6:30AM Apr 24, 2024Observed: 2.96 ft at 6:45AM Apr 24, 2024Observed: 2.97 ft at 7:00AM Apr 24, 2024Observed: 2.96 ft at 7:15AM Apr 24, 2024Observed: 2.97 ft at 7:30AM Apr 24, 2024Observed: 2.96 ft at 7:45AM Apr 24, 2024Observed: 2.95 ft at 8:00AM Apr 24, 2024Observed: 2.95 ft at 8:15AM Apr 24, 2024Observed: 2.96 ft at 8:30AM Apr 24, 2024Observed: 2.94 ft at 8:45AM Apr 24, 2024Observed: 2.94 ft at 9:00AM Apr 24, 2024Observed: 2.93 ft at 9:15AM Apr 24, 2024Observed: 2.93 ft at 9:30AM Apr 24, 2024Observed: 2.94 ft at 9:45AM Apr 24, 2024Observed: 2.95 ft at 10:00AM Apr 24, 2024Observed: 2.93 ft at 10:15AM Apr 24, 2024Observed: 2.93 ft at 10:30AM Apr 24, 2024Observed: 2.93 ft at 10:45AM Apr 24, 2024Observed: 2.94 ft at 11:00AM Apr 24, 2024Observed: 2.93 ft at 11:15AM Apr 24, 2024Observed: 2.92 ft at 11:30AM Apr 24, 2024Observed: 2.93 ft at 11:45AM Apr 24, 2024Observed: 2.94 ft at 12:00PM Apr 24, 2024Observed: 2.93 ft at 12:15PM Apr 24, 2024Observed: 2.94 ft at 12:30PM Apr 24, 2024Observed: 2.94 ft at 12:45PM Apr 24, 2024Observed: 2.94 ft at 1:00PM Apr 24, 2024Observed: 2.94 ft at 1:15PM Apr 24, 2024Observed: 2.95 ft at 1:30PM Apr 24, 2024Observed: 2.95 ft at 1:45PM Apr 24, 2024Observed: 2.95 ft at 2:00PM Apr 24, 2024Observed: 2.96 ft at 2:15PM Apr 24, 2024Observed: 2.96 ft at 2:30PM Apr 24, 2024Observed: 2.95 ft at 2:45PM Apr 24, 2024Observed: 2.96 ft at 3:00PM Apr 24, 2024Observed: 2.96 ft at 3:15PM Apr 24, 2024Observed: 2.96 ft at 3:30PM Apr 24, 2024Observed: 2.98 ft at 3:45PM Apr 24, 2024Observed: 2.97 ft at 4:00PM Apr 24, 2024Observed: 2.97 ft at 4:15PM Apr 24, 2024Observed: 2.98 ft at 4:30PM Apr 24, 2024Observed: 2.95 ft at 4:45PM Apr 24, 2024Observed: 2.94 ft at 5:00PM Apr 24, 2024Observed: 2.94 ft at 5:15PM Apr 24, 2024Observed: 2.94 ft at 5:30PM Apr 24, 2024Observed: 2.94 ft at 5:45PM Apr 24, 2024Observed: 2.93 ft at 6:00PM Apr 24, 2024Observed: 2.94 ft at 6:15PM Apr 24, 2024Observed: 2.96 ft at 6:30PM Apr 24, 2024Observed: 2.95 ft at 6:45PM Apr 24, 2024Observed: 2.94 ft at 7:00PM Apr 24, 2024Observed: 2.96 ft at 7:15PM Apr 24, 2024Observed: 2.95 ft at 7:30PM Apr 24, 2024Observed: 2.95 ft at 7:45PM Apr 24, 2024Observed: 2.97 ft at 8:00PM Apr 24, 2024Observed: 2.97 ft at 8:15PM Apr 24, 2024Observed: 2.97 ft at 8:30PM Apr 24, 2024Observed: 2.98 ft at 8:45PM Apr 24, 2024Observed: 2.97 ft at 9:00PM Apr 24, 2024Observed: 2.98 ft at 9:15PM Apr 24, 2024Observed: 2.98 ft at 9:30PM Apr 24, 2024Observed: 2.98 ft at 9:45PM Apr 24, 2024Observed: 2.98 ft at 10:00PM Apr 24, 2024Observed: 2.99 ft at 10:15PM Apr 24, 2024Observed: 2.97 ft at 10:30PM Apr 24, 2024Observed: 2.98 ft at 10:45PM Apr 24, 2024Observed: 2.97 ft at 11:00PM Apr 24, 2024Observed: 2.99 ft at 11:15PM Apr 24, 2024Observed: 2.98 ft at 11:30PM Apr 24, 2024Observed: 2.98 ft at 11:45PM Apr 24, 2024Observed: 2.98 ft at 12:00AM Apr 25, 2024Observed: 2.98 ft at 12:15AM Apr 25, 2024Observed: 2.98 ft at 12:30AM Apr 25, 2024Observed: 3 ft at 12:45AM Apr 25, 2024Observed: 2.98 ft at 1:00AM Apr 25, 2024Observed: 2.98 ft at 1:15AM Apr 25, 2024Observed: 2.99 ft at 1:30AM Apr 25, 2024Observed: 2.99 ft at 1:45AM Apr 25, 2024Observed: 3 ft at 2:00AM Apr 25, 2024Observed: 2.99 ft at 2:15AM Apr 25, 2024Observed: 3 ft at 2:30AM Apr 25, 2024Observed: 2.98 ft at 2:45AM Apr 25, 2024Observed: 3 ft at 3:00AM Apr 25, 2024Observed: 2.99 ft at 3:15AM Apr 25, 2024Observed: 3 ft at 3:30AM Apr 25, 2024Observed: 3.01 ft at 3:45AM Apr 25, 2024Observed: 2.99 ft at 4:00AM Apr 25, 2024Observed: 3.01 ft at 4:15AM Apr 25, 2024Observed: 2.99 ft at 4:30AM Apr 25, 2024Observed: 3 ft at 4:45AM Apr 25, 2024Observed: 2.99 ft at 5:00AM Apr 25, 2024Observed: 3 ft at 5:15AM Apr 25, 2024Observed: 3.01 ft at 5:30AM Apr 25, 2024Observed: 3.02 ft at 5:45AM Apr 25, 2024Observed: 3.01 ft at 6:00AM Apr 25, 2024Observed: 3.03 ft at 6:15AM Apr 25, 2024Observed: 3.04 ft at 6:30AM Apr 25, 2024Observed: 3.04 ft at 6:45AM Apr 25, 2024Observed: 3.04 ft at 7:00AM Apr 25, 2024Observed: 3.05 ft at 7:15AM Apr 25, 2024Observed: 3.04 ft at 7:30AM Apr 25, 2024Observed: 3.04 ft at 7:45AM Apr 25, 2024Observed: 3.03 ft at 8:00AM Apr 25, 2024Observed: 3.04 ft at 8:15AM Apr 25, 2024Observed: 3.04 ft at 8:30AM Apr 25, 2024Observed: 3.04 ft at 8:45AM Apr 25, 2024Observed: 3.04 ft at 9:00AM Apr 25, 2024Observed: 3.05 ft at 9:15AM Apr 25, 2024Observed: 3.04 ft at 9:30AM Apr 25, 2024Observed: 3.04 ft at 9:45AM Apr 25, 2024Observed: 3.03 ft at 10:00AM Apr 25, 2024Observed: 3.04 ft at 10:15AM Apr 25, 2024Observed: 3.03 ft at 10:30AM Apr 25, 2024Observed: 3.02 ft at 10:45AM Apr 25, 2024Observed: 3.03 ft at 11:00AM Apr 25, 2024Observed: 3.03 ft at 11:15AM Apr 25, 2024USGS--Water Resources of the United StatesTHNI2(plotting HGIRG) Graph Created (11:41AM Apr 25, 2024)ObservedLatest observed value: 3.03 ft at 11:15 AM CDT 25-Apr-2024. Flood Stage is 9 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Thorn Creek at Thornton are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at South Holland
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 14
Flood Stage: 9
Action Stage: 7.5
Low Stage (in feet): 2.5

Historic Crests
(1) 17.06 ft on 06/14/1981
(2) 16.87 ft on 11/28/1990
(3) 16.24 ft on 07/18/1996
(4) 16.00 ft on 07/13/1957
(5) 15.95 ft on 12/03/1982
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.95 ft on 05/09/2021
(2) 12.07 ft on 05/18/2020
(3) 11.41 ft on 04/30/2020
(4) 11.13 ft on 01/11/2020
(5) 10.08 ft on 10/27/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.85 ft on 10/05/1994
(2) 1.94 ft on 09/27/1995
(3) 2.16 ft on 10/16/1999
(4) 2.48 ft on 10/10/2020
(5) 2.53 ft on 08/21/2017
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
23 Chicago & Eastern Illinois Railroad tracks are threatened near Glenwood.
21 I-94 may be threatened in South Holland.
20 Structures may be threatened along Clyde Avenue, 173rd Street, and 173rd Place in South Holland.
19 I-294/I-80 onramps may be threatened west of the creek south of South Holland. Residential structures may be threatened along Everett Avenue, Cregier Avenue, and Vollbrecht Road in South Holland. Clyde Avenue, 173rd Street, and 173rd Place may be threatened in South Holland.
18.5 170th Street may be threatened in South Holland. Industrial structures may be threatened along Bernice Road in South Holland.
18 Margaret Street threatened in Thornton.
17.5 Residential structures may be threatened along Kimbark Avenue, University Avenue, and 173rd Street in South Holland. Everett Avenue, Cregier Avenue, and Vollbrecht Road may be threatened in South Holland.
17 Kimbark Avenue, University Avenue, and 173rd Street may be threatened in South Holland. Thorn Creek Diversion Tunnel reaches capacity.
16 Residential structures threatened along Margaret Street in Thornton.
15.5 Structures threatened at Glenwood Academy. Residences threatened along Park Drive in Glenwood.
15 Industrial structures threatened south of Margaret Street in Thornton.
14.5 Park Drive threatened in Glenwood. Industrial parking lots threatened south of Margaret Street in Thornton.
13.5 Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Maragaret Street in Thornton.
13 Parking lots threatened at Glenwood Academy.
12 Structures threatened along Glenwood Thornton Road north of Glenwood.
11.5 Glenwood Thornton Road threatened north of Glenwood.
11 187th Street threatened in Glenwood.
9 Water begins to be diverted through Thorn Creek Diversion Tunnel.
8 Athletic fields are inundated at Glenwood Academy.
7 Water overflows low-lying banks in Glenwood, Thornton, and South Holland.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
1.5 River nears zero flow.
2.5 Approximate stage of the 1-in-10 annual chance flow (7-day average).
About This Location Collapse

Latitude: 41.568167° N, Longitude: 87.608333° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 586.11 596.11 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 586.43 596.43 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
USGS Streamflow Duration Hydrograph
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities