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
    Radar

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
 
Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 15.24 ft at 1:30PM Apr 29, 2021Observed: 15.22 ft at 1:45PM Apr 29, 2021Observed: 15.2 ft at 2:00PM Apr 29, 2021Observed: 15.2 ft at 2:15PM Apr 29, 2021Observed: 15.19 ft at 2:30PM Apr 29, 2021Observed: 15.19 ft at 2:45PM Apr 29, 2021Observed: 15.23 ft at 3:00PM Apr 29, 2021Observed: 15.2 ft at 3:15PM Apr 29, 2021Observed: 15.2 ft at 3:30PM Apr 29, 2021Observed: 15.21 ft at 3:45PM Apr 29, 2021Observed: 15.24 ft at 4:00PM Apr 29, 2021Observed: 15.22 ft at 4:15PM Apr 29, 2021Observed: 15.22 ft at 4:30PM Apr 29, 2021Observed: 15.23 ft at 4:45PM Apr 29, 2021Observed: 15.22 ft at 5:00PM Apr 29, 2021Observed: 15.24 ft at 5:15PM Apr 29, 2021Observed: 15.27 ft at 5:30PM Apr 29, 2021Observed: 15.28 ft at 5:45PM Apr 29, 2021Observed: 15.26 ft at 6:00PM Apr 29, 2021Observed: 15.25 ft at 6:15PM Apr 29, 2021Observed: 15.26 ft at 6:30PM Apr 29, 2021Observed: 15.24 ft at 6:45PM Apr 29, 2021Observed: 15.27 ft at 7:00PM Apr 29, 2021Observed: 15.31 ft at 7:15PM Apr 29, 2021Observed: 15.31 ft at 7:30PM Apr 29, 2021Observed: 15.28 ft at 7:45PM Apr 29, 2021Observed: 15.23 ft at 8:00PM Apr 29, 2021Observed: 15.24 ft at 8:15PM Apr 29, 2021Observed: 15.25 ft at 8:30PM Apr 29, 2021Observed: 15.26 ft at 8:45PM Apr 29, 2021Observed: 15.26 ft at 9:00PM Apr 29, 2021Observed: 15.27 ft at 9:15PM Apr 29, 2021Observed: 15.28 ft at 9:30PM Apr 29, 2021Observed: 15.29 ft at 9:45PM Apr 29, 2021Observed: 15.28 ft at 10:00PM Apr 29, 2021Observed: 15.29 ft at 10:15PM Apr 29, 2021Observed: 15.3 ft at 10:30PM Apr 29, 2021Observed: 15.3 ft at 10:45PM Apr 29, 2021Observed: 15.3 ft at 11:00PM Apr 29, 2021Observed: 15.31 ft at 11:15PM Apr 29, 2021Observed: 15.31 ft at 11:30PM Apr 29, 2021Observed: 15.32 ft at 11:45PM Apr 29, 2021Observed: 15.33 ft at 12:00AM Apr 30, 2021Observed: 15.36 ft at 12:15AM Apr 30, 2021Observed: 15.35 ft at 12:30AM Apr 30, 2021Observed: 15.36 ft at 12:45AM Apr 30, 2021Observed: 15.37 ft at 1:00AM Apr 30, 2021Observed: 15.37 ft at 1:15AM Apr 30, 2021Observed: 15.36 ft at 1:30AM Apr 30, 2021Observed: 15.39 ft at 1:45AM Apr 30, 2021Observed: 15.36 ft at 2:00AM Apr 30, 2021Observed: 15.34 ft at 2:15AM Apr 30, 2021Observed: 15.36 ft at 2:30AM Apr 30, 2021Observed: 15.37 ft at 2:45AM Apr 30, 2021Observed: 15.37 ft at 3:00AM Apr 30, 2021Observed: 15.37 ft at 3:15AM Apr 30, 2021Observed: 15.36 ft at 3:30AM Apr 30, 2021Observed: 15.36 ft at 3:45AM Apr 30, 2021Observed: 15.36 ft at 4:00AM Apr 30, 2021Observed: 15.38 ft at 4:15AM Apr 30, 2021Observed: 15.38 ft at 4:30AM Apr 30, 2021Observed: 15.38 ft at 4:45AM Apr 30, 2021Observed: 15.38 ft at 5:00AM Apr 30, 2021Observed: 15.39 ft at 5:15AM Apr 30, 2021Observed: 15.39 ft at 5:30AM Apr 30, 2021Observed: 15.39 ft at 5:45AM Apr 30, 2021Observed: 15.39 ft at 6:00AM Apr 30, 2021Observed: 15.4 ft at 6:15AM Apr 30, 2021Observed: 15.41 ft at 6:30AM Apr 30, 2021Observed: 15.42 ft at 6:45AM Apr 30, 2021Observed: 15.41 ft at 7:00AM Apr 30, 2021Observed: 15.41 ft at 7:15AM Apr 30, 2021Observed: 15.42 ft at 7:30AM Apr 30, 2021Observed: 15.45 ft at 7:45AM Apr 30, 2021Observed: 15.44 ft at 8:00AM Apr 30, 2021Observed: 15.46 ft at 8:15AM Apr 30, 2021Observed: 15.47 ft at 8:30AM Apr 30, 2021Observed: 15.5 ft at 8:45AM Apr 30, 2021Observed: 15.52 ft at 9:00AM Apr 30, 2021Observed: 15.51 ft at 9:15AM Apr 30, 2021Observed: 15.53 ft at 9:30AM Apr 30, 2021Observed: 15.52 ft at 9:45AM Apr 30, 2021Observed: 15.5 ft at 10:00AM Apr 30, 2021Observed: 15.53 ft at 10:15AM Apr 30, 2021Observed: 15.58 ft at 10:30AM Apr 30, 2021Observed: 15.59 ft at 10:45AM Apr 30, 2021Observed: 15.59 ft at 11:00AM Apr 30, 2021Observed: 15.58 ft at 11:15AM Apr 30, 2021Observed: 15.57 ft at 11:30AM Apr 30, 2021Observed: 15.56 ft at 11:45AM Apr 30, 2021Observed: 15.56 ft at 12:00PM Apr 30, 2021Observed: 15.54 ft at 12:15PM Apr 30, 2021Observed: 15.56 ft at 12:30PM Apr 30, 2021Observed: 15.56 ft at 12:45PM Apr 30, 2021Observed: 15.53 ft at 1:00PM Apr 30, 2021Observed: 15.53 ft at 1:15PM Apr 30, 2021Observed: 15.55 ft at 1:30PM Apr 30, 2021Observed: 15.55 ft at 1:45PM Apr 30, 2021Observed: 15.52 ft at 2:15PM Apr 30, 2021Observed: 15.54 ft at 2:30PM Apr 30, 2021Observed: 15.49 ft at 2:45PM Apr 30, 2021Observed: 15.48 ft at 3:00PM Apr 30, 2021Observed: 15.5 ft at 3:15PM Apr 30, 2021Observed: 15.48 ft at 3:30PM Apr 30, 2021Observed: 15.5 ft at 3:45PM Apr 30, 2021Observed: 15.52 ft at 4:00PM Apr 30, 2021Observed: 15.52 ft at 4:15PM Apr 30, 2021Observed: 15.54 ft at 4:30PM Apr 30, 2021Observed: 15.52 ft at 4:45PM Apr 30, 2021Observed: 15.54 ft at 5:00PM Apr 30, 2021Observed: 15.52 ft at 5:15PM Apr 30, 2021Observed: 15.52 ft at 5:30PM Apr 30, 2021Observed: 15.52 ft at 5:45PM Apr 30, 2021Observed: 15.53 ft at 6:00PM Apr 30, 2021Observed: 15.53 ft at 6:15PM Apr 30, 2021Observed: 15.52 ft at 6:30PM Apr 30, 2021Observed: 15.53 ft at 6:45PM Apr 30, 2021Observed: 15.54 ft at 7:00PM Apr 30, 2021Observed: 15.55 ft at 7:15PM Apr 30, 2021Observed: 15.55 ft at 7:30PM Apr 30, 2021Observed: 15.53 ft at 7:45PM Apr 30, 2021Observed: 15.51 ft at 8:00PM Apr 30, 2021Observed: 15.54 ft at 8:15PM Apr 30, 2021Observed: 15.53 ft at 8:30PM Apr 30, 2021Observed: 15.52 ft at 8:45PM Apr 30, 2021Observed: 15.52 ft at 9:00PM Apr 30, 2021Observed: 15.52 ft at 9:15PM Apr 30, 2021Observed: 15.52 ft at 9:30PM Apr 30, 2021Observed: 15.54 ft at 9:45PM Apr 30, 2021Observed: 15.54 ft at 10:00PM Apr 30, 2021Observed: 15.55 ft at 10:15PM Apr 30, 2021Observed: 15.53 ft at 10:30PM Apr 30, 2021Observed: 15.53 ft at 10:45PM Apr 30, 2021Observed: 15.54 ft at 11:00PM Apr 30, 2021Observed: 15.54 ft at 11:15PM Apr 30, 2021Observed: 15.55 ft at 11:30PM Apr 30, 2021Observed: 15.55 ft at 11:45PM Apr 30, 2021Observed: 15.55 ft at 12:00AM May 01, 2021Observed: 15.56 ft at 12:15AM May 01, 2021Observed: 15.57 ft at 12:30AM May 01, 2021Observed: 15.55 ft at 12:45AM May 01, 2021Observed: 15.56 ft at 1:00AM May 01, 2021Observed: 15.57 ft at 1:15AM May 01, 2021Observed: 15.57 ft at 1:30AM May 01, 2021Observed: 15.57 ft at 1:45AM May 01, 2021Observed: 15.58 ft at 2:00AM May 01, 2021Observed: 15.58 ft at 2:15AM May 01, 2021Observed: 15.57 ft at 2:30AM May 01, 2021Observed: 15.58 ft at 2:45AM May 01, 2021Observed: 15.61 ft at 3:00AM May 01, 2021Observed: 15.62 ft at 3:15AM May 01, 2021Observed: 15.58 ft at 3:30AM May 01, 2021Observed: 15.55 ft at 3:45AM May 01, 2021Observed: 15.59 ft at 4:00AM May 01, 2021Observed: 15.57 ft at 4:15AM May 01, 2021Observed: 15.57 ft at 4:30AM May 01, 2021Observed: 15.58 ft at 4:45AM May 01, 2021Observed: 15.59 ft at 5:00AM May 01, 2021Observed: 15.61 ft at 5:15AM May 01, 2021Observed: 15.6 ft at 5:30AM May 01, 2021Observed: 15.63 ft at 5:45AM May 01, 2021Observed: 15.56 ft at 6:00AM May 01, 2021Observed: 15.6 ft at 6:15AM May 01, 2021Observed: 15.6 ft at 6:30AM May 01, 2021Observed: 15.62 ft at 6:45AM May 01, 2021Observed: 15.61 ft at 7:00AM May 01, 2021Observed: 15.6 ft at 7:15AM May 01, 2021Observed: 15.6 ft at 7:30AM May 01, 2021Observed: 15.58 ft at 7:45AM May 01, 2021Observed: 15.62 ft at 8:00AM May 01, 2021Observed: 15.64 ft at 8:15AM May 01, 2021Observed: 15.59 ft at 8:30AM May 01, 2021Observed: 15.61 ft at 8:45AM May 01, 2021Observed: 15.61 ft at 9:00AM May 01, 2021Observed: 15.63 ft at 9:15AM May 01, 2021Observed: 15.67 ft at 9:30AM May 01, 2021Observed: 15.7 ft at 9:45AM May 01, 2021Observed: 15.66 ft at 10:00AM May 01, 2021Observed: 15.72 ft at 10:15AM May 01, 2021Observed: 15.78 ft at 10:30AM May 01, 2021Observed: 15.71 ft at 10:45AM May 01, 2021Observed: 15.73 ft at 11:00AM May 01, 2021Observed: 15.74 ft at 11:15AM May 01, 2021Observed: 15.69 ft at 11:30AM May 01, 2021Observed: 15.77 ft at 11:45AM May 01, 2021Observed: 15.86 ft at 12:00PM May 01, 2021Observed: 15.79 ft at 12:15PM May 01, 2021Observed: 15.82 ft at 12:30PM May 01, 2021Observed: 15.83 ft at 12:45PM May 01, 2021Observed: 15.93 ft at 1:15PM May 01, 2021Observed: 15.83 ft at 1:30PM May 01, 2021Observed: 15.91 ft at 1:45PM May 01, 2021Observed: 15.92 ft at 2:00PM May 01, 2021Observed: 15.85 ft at 2:30PM May 01, 2021Observed: 15.93 ft at 2:45PM May 01, 2021Observed: 15.88 ft at 3:00PM May 01, 2021Observed: 15.92 ft at 3:15PM May 01, 2021Observed: 15.93 ft at 3:30PM May 01, 2021Observed: 16.01 ft at 4:00PM May 01, 2021Observed: 16.02 ft at 4:15PM May 01, 2021Observed: 15.96 ft at 4:30PM May 01, 2021Observed: 15.93 ft at 5:00PM May 01, 2021Observed: 15.89 ft at 5:15PM May 01, 2021Observed: 16.03 ft at 5:30PM May 01, 2021Observed: 16.04 ft at 5:45PM May 01, 2021Observed: 16.01 ft at 6:00PM May 01, 2021Observed: 16.05 ft at 6:15PM May 01, 2021Observed: 16.11 ft at 6:30PM May 01, 2021Observed: 16.07 ft at 6:45PM May 01, 2021Observed: 16.03 ft at 7:00PM May 01, 2021Observed: 16.07 ft at 7:15PM May 01, 2021Observed: 16.02 ft at 7:30PM May 01, 2021Observed: 16.06 ft at 7:45PM May 01, 2021Observed: 16.09 ft at 8:00PM May 01, 2021Observed: 16.02 ft at 8:15PM May 01, 2021Observed: 16.06 ft at 8:30PM May 01, 2021Observed: 16.1 ft at 8:45PM May 01, 2021Observed: 16.11 ft at 9:00PM May 01, 2021Observed: 16.1 ft at 9:15PM May 01, 2021Observed: 16.09 ft at 9:30PM May 01, 2021Observed: 16.16 ft at 9:45PM May 01, 2021Observed: 16.15 ft at 10:00PM May 01, 2021Observed: 16.07 ft at 10:15PM May 01, 2021Observed: 16.09 ft at 10:30PM May 01, 2021Observed: 16.07 ft at 10:45PM May 01, 2021Observed: 16.09 ft at 11:00PM May 01, 2021Observed: 16.09 ft at 11:15PM May 01, 2021Observed: 16.1 ft at 11:30PM May 01, 2021Observed: 16.04 ft at 11:45PM May 01, 2021Observed: 16.07 ft at 12:00AM May 02, 2021Observed: 16.05 ft at 12:15AM May 02, 2021Observed: 16.04 ft at 12:30AM May 02, 2021Observed: 16.05 ft at 12:45AM May 02, 2021Observed: 16.04 ft at 1:00AM May 02, 2021Observed: 16.04 ft at 1:15AM May 02, 2021Observed: 16.06 ft at 1:30AM May 02, 2021Observed: 16.05 ft at 1:45AM May 02, 2021Observed: 16.07 ft at 2:00AM May 02, 2021Observed: 16.05 ft at 2:15AM May 02, 2021Observed: 16.05 ft at 2:30AM May 02, 2021Observed: 16.05 ft at 2:45AM May 02, 2021Observed: 16.04 ft at 3:00AM May 02, 2021Observed: 16.04 ft at 3:15AM May 02, 2021Observed: 16.05 ft at 3:30AM May 02, 2021Observed: 16.05 ft at 3:45AM May 02, 2021Observed: 16.04 ft at 4:00AM May 02, 2021Observed: 16.03 ft at 4:15AM May 02, 2021Observed: 16.04 ft at 4:30AM May 02, 2021Observed: 16.04 ft at 4:45AM May 02, 2021Observed: 15.97 ft at 5:00AM May 02, 2021Observed: 16.05 ft at 5:15AM May 02, 2021Observed: 16.06 ft at 5:30AM May 02, 2021Observed: 16.06 ft at 5:45AM May 02, 2021Observed: 16.03 ft at 6:00AM May 02, 2021Observed: 16.01 ft at 6:15AM May 02, 2021Observed: 16.02 ft at 6:30AM May 02, 2021Observed: 16.04 ft at 6:45AM May 02, 2021Observed: 16.05 ft at 7:00AM May 02, 2021Observed: 16.07 ft at 7:15AM May 02, 2021Observed: 16.06 ft at 7:30AM May 02, 2021Observed: 16.09 ft at 7:45AM May 02, 2021Observed: 16.08 ft at 8:00AM May 02, 2021Observed: 16.04 ft at 8:15AM May 02, 2021Observed: 16.13 ft at 8:30AM May 02, 2021Observed: 16.06 ft at 8:45AM May 02, 2021Observed: 16.14 ft at 9:00AM May 02, 2021Observed: 16.08 ft at 9:15AM May 02, 2021Observed: 16.05 ft at 9:30AM May 02, 2021Observed: 16.09 ft at 9:45AM May 02, 2021Observed: 16.1 ft at 10:00AM May 02, 2021Observed: 16.09 ft at 10:15AM May 02, 2021Observed: 16.15 ft at 10:30AM May 02, 2021Observed: 16.11 ft at 10:45AM May 02, 2021Observed: 16.1 ft at 11:00AM May 02, 2021Observed: 16.1 ft at 11:15AM May 02, 2021Observed: 16.12 ft at 11:30AM May 02, 2021Observed: 16.13 ft at 11:45AM May 02, 2021Observed: 16.19 ft at 12:00PM May 02, 2021Observed: 16.12 ft at 12:15PM May 02, 2021Observed: 16.15 ft at 12:30PM May 02, 2021Observed: 16.23 ft at 12:45PM May 02, 2021Observed: 16.14 ft at 1:00PM May 02, 2021Observed: 16.17 ft at 1:15PM May 02, 2021Observed: 16.15 ft at 1:30PM May 02, 2021Observed: 16.13 ft at 1:45PM May 02, 2021Observed: 16.16 ft at 2:00PM May 02, 2021Observed: 16.18 ft at 2:15PM May 02, 2021Observed: 16.18 ft at 2:30PM May 02, 2021Observed: 16.12 ft at 2:45PM May 02, 2021Observed: 16.14 ft at 3:00PM May 02, 2021Observed: 16.17 ft at 3:15PM May 02, 2021Observed: 16.08 ft at 3:30PM May 02, 2021Observed: 16.19 ft at 3:45PM May 02, 2021Observed: 16.15 ft at 4:00PM May 02, 2021Observed: 16.14 ft at 4:15PM May 02, 2021Observed: 16.21 ft at 4:30PM May 02, 2021Observed: 16.09 ft at 4:45PM May 02, 2021Observed: 16.16 ft at 5:00PM May 02, 2021Observed: 16.07 ft at 5:15PM May 02, 2021Observed: 16.19 ft at 5:30PM May 02, 2021Observed: 16.15 ft at 5:45PM May 02, 2021Observed: 16.14 ft at 6:00PM May 02, 2021Observed: 16.23 ft at 6:15PM May 02, 2021Observed: 16.23 ft at 6:30PM May 02, 2021Observed: 16.14 ft at 6:45PM May 02, 2021Observed: 16.17 ft at 7:00PM May 02, 2021Observed: 16.16 ft at 7:15PM May 02, 2021Observed: 16.15 ft at 7:30PM May 02, 2021Observed: 16.17 ft at 7:45PM May 02, 2021Observed: 16.23 ft at 8:00PM May 02, 2021Observed: 16.2 ft at 8:15PM May 02, 2021Observed: 16.28 ft at 8:30PM May 02, 2021Observed: 16.27 ft at 8:45PM May 02, 2021Observed: 16.29 ft at 9:00PM May 02, 2021Observed: 16.28 ft at 9:15PM May 02, 2021Observed: 16.27 ft at 9:30PM May 02, 2021Observed: 16.32 ft at 9:45PM May 02, 2021Observed: 16.23 ft at 10:00PM May 02, 2021Observed: 16.31 ft at 10:15PM May 02, 2021Observed: 16.3 ft at 10:30PM May 02, 2021Observed: 16.3 ft at 10:45PM May 02, 2021Observed: 16.28 ft at 11:00PM May 02, 2021Observed: 16.32 ft at 11:15PM May 02, 2021Highest Observation: 16.33 ft at 11:30PM May 02, 2021Observed: 16.3 ft at 11:45PM May 02, 2021Observed: 16.31 ft at 12:00AM May 03, 2021Highest Observation: 16.33 ft at 12:15AM May 03, 2021Observed: 16.32 ft at 12:30AM May 03, 2021Highest Observation: 16.33 ft at 12:45AM May 03, 2021Highest Observation: 16.33 ft at 1:00AM May 03, 2021Observed: 16.31 ft at 1:15AM May 03, 2021Observed: 16.31 ft at 1:30AM May 03, 2021Observed: 16.29 ft at 1:45AM May 03, 2021Observed: 16.28 ft at 2:00AM May 03, 2021Observed: 16.29 ft at 2:15AM May 03, 2021Observed: 16.28 ft at 2:30AM May 03, 2021Highest Observation: 16.33 ft at 2:45AM May 03, 2021Observed: 16.31 ft at 3:00AM May 03, 2021Observed: 16.31 ft at 3:15AM May 03, 2021Highest Observation: 16.33 ft at 3:30AM May 03, 2021Observed: 16.31 ft at 3:45AM May 03, 2021Observed: 16.31 ft at 4:00AM May 03, 2021Observed: 16.29 ft at 4:15AM May 03, 2021Observed: 16.29 ft at 4:30AM May 03, 2021Observed: 16.29 ft at 4:45AM May 03, 2021Observed: 16.32 ft at 5:00AM May 03, 2021Observed: 16.3 ft at 5:15AM May 03, 2021Observed: 16.3 ft at 5:30AM May 03, 2021Observed: 16.31 ft at 5:45AM May 03, 2021Observed: 16.29 ft at 6:00AM May 03, 2021Observed: 16.28 ft at 6:15AM May 03, 2021Observed: 16.28 ft at 6:30AM May 03, 2021Observed: 16.28 ft at 6:45AM May 03, 2021Observed: 16.28 ft at 7:00AM May 03, 2021Observed: 16.29 ft at 7:15AM May 03, 2021Observed: 16.28 ft at 7:30AM May 03, 2021Observed: 16.27 ft at 8:00AM May 03, 2021Observed: 16.25 ft at 8:15AM May 03, 2021Observed: 16.26 ft at 8:30AM May 03, 2021Observed: 16.26 ft at 8:45AM May 03, 2021Observed: 16.24 ft at 9:00AM May 03, 2021Observed: 16.24 ft at 9:15AM May 03, 2021Observed: 16.23 ft at 9:30AM May 03, 2021Observed: 16.24 ft at 9:45AM May 03, 2021Observed: 16.24 ft at 10:00AM May 03, 2021Observed: 16.25 ft at 10:15AM May 03, 2021Observed: 16.22 ft at 10:30AM May 03, 2021Observed: 16.23 ft at 10:45AM May 03, 2021Observed: 16.21 ft at 11:00AM May 03, 2021Observed: 16.22 ft at 11:15AM May 03, 2021Observed: 16.19 ft at 11:30AM May 03, 2021Observed: 16.18 ft at 11:45AM May 03, 2021Observed: 16.2 ft at 12:00PM May 03, 2021Observed: 16.17 ft at 12:15PM May 03, 2021Observed: 16.2 ft at 12:30PM May 03, 2021Observed: 16.23 ft at 12:45PM May 03, 2021Observed: 16.21 ft at 1:00PM May 03, 2021Observed: 16.18 ft at 1:15PM May 03, 2021Observed: 16.23 ft at 1:30PM May 03, 2021Observed: 16.21 ft at 1:45PM May 03, 2021Observed: 16.16 ft at 2:00PM May 03, 2021Observed: 16.15 ft at 2:15PM May 03, 2021Observed: 16.17 ft at 2:30PM May 03, 2021Observed: 16.16 ft at 2:45PM May 03, 2021Observed: 16.14 ft at 3:00PM May 03, 2021Observed: 16.14 ft at 3:15PM May 03, 2021Observed: 16.15 ft at 3:30PM May 03, 2021Observed: 16.17 ft at 3:45PM May 03, 2021Observed: 16.15 ft at 4:00PM May 03, 2021Observed: 16.15 ft at 4:15PM May 03, 2021Observed: 16.15 ft at 4:30PM May 03, 2021Observed: 16.15 ft at 4:45PM May 03, 2021Observed: 16.17 ft at 5:00PM May 03, 2021Observed: 16.13 ft at 5:15PM May 03, 2021Observed: 16.17 ft at 5:30PM May 03, 2021Observed: 16.15 ft at 5:45PM May 03, 2021Observed: 16.14 ft at 6:00PM May 03, 2021Observed: 16.15 ft at 6:15PM May 03, 2021Observed: 16.19 ft at 6:30PM May 03, 2021Observed: 16.22 ft at 6:45PM May 03, 2021Observed: 16.19 ft at 7:00PM May 03, 2021Observed: 16.18 ft at 7:15PM May 03, 2021Observed: 16.17 ft at 7:30PM May 03, 2021Observed: 16.16 ft at 7:45PM May 03, 2021Observed: 16.17 ft at 8:00PM May 03, 2021Observed: 16.18 ft at 8:15PM May 03, 2021Observed: 16.18 ft at 8:30PM May 03, 2021Observed: 16.2 ft at 8:45PM May 03, 2021Observed: 16.21 ft at 9:00PM May 03, 2021Observed: 16.18 ft at 9:15PM May 03, 2021Observed: 16.15 ft at 9:30PM May 03, 2021Observed: 16.17 ft at 9:45PM May 03, 2021Observed: 16.15 ft at 10:00PM May 03, 2021Observed: 16.18 ft at 10:15PM May 03, 2021Observed: 16.2 ft at 10:30PM May 03, 2021Observed: 16.18 ft at 10:45PM May 03, 2021Observed: 16.19 ft at 11:00PM May 03, 2021Observed: 16.19 ft at 11:15PM May 03, 2021Observed: 16.17 ft at 11:30PM May 03, 2021Observed: 16.16 ft at 11:45PM May 03, 2021Observed: 16.16 ft at 12:00AM May 04, 2021Observed: 16.15 ft at 12:15AM May 04, 2021Observed: 16.14 ft at 12:30AM May 04, 2021Observed: 16.15 ft at 12:45AM May 04, 2021Observed: 16.15 ft at 1:15AM May 04, 2021Observed: 16.15 ft at 1:30AM May 04, 2021Observed: 16.13 ft at 1:45AM May 04, 2021Observed: 16.13 ft at 2:00AM May 04, 2021Observed: 16.11 ft at 2:15AM May 04, 2021Observed: 16.1 ft at 2:30AM May 04, 2021Observed: 16.11 ft at 2:45AM May 04, 2021Observed: 16.08 ft at 3:00AM May 04, 2021Observed: 16.07 ft at 3:15AM May 04, 2021Observed: 16.06 ft at 3:30AM May 04, 2021Observed: 16.07 ft at 3:45AM May 04, 2021Observed: 16.08 ft at 4:00AM May 04, 2021Observed: 16.1 ft at 4:15AM May 04, 2021Observed: 16.1 ft at 4:30AM May 04, 2021Observed: 16.12 ft at 4:45AM May 04, 2021Observed: 16.08 ft at 5:00AM May 04, 2021Observed: 16.08 ft at 5:15AM May 04, 2021Observed: 16.05 ft at 5:30AM May 04, 2021Observed: 16.03 ft at 5:45AM May 04, 2021Observed: 16.02 ft at 6:00AM May 04, 2021Observed: 16.01 ft at 6:15AM May 04, 2021Observed: 15.98 ft at 6:30AM May 04, 2021Observed: 15.97 ft at 6:45AM May 04, 2021Observed: 15.97 ft at 7:00AM May 04, 2021Observed: 15.97 ft at 7:15AM May 04, 2021Observed: 16.02 ft at 7:30AM May 04, 2021Observed: 16.01 ft at 7:45AM May 04, 2021Observed: 15.99 ft at 8:00AM May 04, 2021Observed: 15.99 ft at 8:15AM May 04, 2021Observed: 15.98 ft at 8:30AM May 04, 2021Observed: 15.97 ft at 8:45AM May 04, 2021Observed: 15.97 ft at 9:00AM May 04, 2021Observed: 15.97 ft at 9:15AM May 04, 2021Observed: 15.99 ft at 9:30AM May 04, 2021Observed: 15.96 ft at 9:45AM May 04, 2021Observed: 15.94 ft at 10:00AM May 04, 2021Observed: 15.98 ft at 10:30AM May 04, 2021Observed: 15.96 ft at 10:45AM May 04, 2021Observed: 15.96 ft at 11:00AM May 04, 2021Observed: 15.95 ft at 11:15AM May 04, 2021Observed: 15.94 ft at 11:45AM May 04, 2021Observed: 15.95 ft at 12:00PM May 04, 2021Observed: 15.94 ft at 12:15PM May 04, 2021Observed: 15.93 ft at 12:30PM May 04, 2021Observed: 15.92 ft at 12:45PM May 04, 2021Observed: 15.94 ft at 1:00PM May 04, 2021Observed: 15.94 ft at 1:15PM May 04, 2021Observed: 15.92 ft at 1:30PM May 04, 2021Observed: 15.91 ft at 1:45PM May 04, 2021Observed: 15.91 ft at 2:00PM May 04, 2021Observed: 15.92 ft at 2:15PM May 04, 2021Observed: 15.9 ft at 2:30PM May 04, 2021Observed: 15.88 ft at 2:45PM May 04, 2021Observed: 15.9 ft at 3:00PM May 04, 2021Observed: 15.89 ft at 3:15PM May 04, 2021Observed: 15.87 ft at 3:30PM May 04, 2021Observed: 15.91 ft at 3:45PM May 04, 2021Observed: 15.84 ft at 4:00PM May 04, 2021Observed: 15.88 ft at 4:15PM May 04, 2021Observed: 15.89 ft at 4:30PM May 04, 2021Observed: 15.84 ft at 4:45PM May 04, 2021Observed: 15.85 ft at 5:00PM May 04, 2021Observed: 15.85 ft at 5:15PM May 04, 2021Observed: 15.85 ft at 5:30PM May 04, 2021Observed: 15.86 ft at 5:45PM May 04, 2021Observed: 15.86 ft at 6:00PM May 04, 2021Observed: 15.85 ft at 6:15PM May 04, 2021Observed: 15.81 ft at 6:30PM May 04, 2021Observed: 15.8 ft at 6:45PM May 04, 2021Observed: 15.77 ft at 7:00PM May 04, 2021Observed: 15.77 ft at 7:15PM May 04, 2021Observed: 15.75 ft at 7:30PM May 04, 2021Observed: 15.78 ft at 7:45PM May 04, 2021Observed: 15.73 ft at 8:00PM May 04, 2021Observed: 15.71 ft at 8:15PM May 04, 2021Observed: 15.72 ft at 8:30PM May 04, 2021Observed: 15.7 ft at 8:45PM May 04, 2021Observed: 15.68 ft at 9:00PM May 04, 2021Observed: 15.67 ft at 9:15PM May 04, 2021Observed: 15.67 ft at 9:30PM May 04, 2021Observed: 15.67 ft at 9:45PM May 04, 2021Observed: 15.65 ft at 10:00PM May 04, 2021Observed: 15.65 ft at 10:15PM May 04, 2021Observed: 15.66 ft at 10:30PM May 04, 2021Observed: 15.64 ft at 10:45PM May 04, 2021Observed: 15.63 ft at 11:00PM May 04, 2021Observed: 15.62 ft at 11:15PM May 04, 2021Observed: 15.61 ft at 11:30PM May 04, 2021Observed: 15.62 ft at 11:45PM May 04, 2021Observed: 15.63 ft at 12:15AM May 05, 2021Observed: 15.59 ft at 12:30AM May 05, 2021Observed: 15.6 ft at 12:45AM May 05, 2021Observed: 15.61 ft at 1:00AM May 05, 2021Observed: 15.55 ft at 1:15AM May 05, 2021Observed: 15.58 ft at 1:30AM May 05, 2021Observed: 15.59 ft at 1:45AM May 05, 2021Observed: 15.55 ft at 2:00AM May 05, 2021Observed: 15.56 ft at 2:15AM May 05, 2021Observed: 15.53 ft at 2:30AM May 05, 2021Observed: 15.57 ft at 2:45AM May 05, 2021Observed: 15.52 ft at 3:00AM May 05, 2021Observed: 15.54 ft at 3:15AM May 05, 2021Observed: 15.53 ft at 3:30AM May 05, 2021Observed: 15.52 ft at 3:45AM May 05, 2021Observed: 15.54 ft at 4:00AM May 05, 2021Observed: 15.52 ft at 4:15AM May 05, 2021Observed: 15.52 ft at 4:30AM May 05, 2021Observed: 15.5 ft at 4:45AM May 05, 2021Observed: 15.5 ft at 5:00AM May 05, 2021Observed: 15.49 ft at 5:15AM May 05, 2021Observed: 15.5 ft at 5:30AM May 05, 2021Observed: 15.48 ft at 5:45AM May 05, 2021Observed: 15.5 ft at 6:00AM May 05, 2021Observed: 15.51 ft at 6:15AM May 05, 2021Observed: 15.54 ft at 6:30AM May 05, 2021Observed: 15.45 ft at 6:45AM May 05, 2021Observed: 15.45 ft at 7:00AM May 05, 2021Observed: 15.47 ft at 7:15AM May 05, 2021Observed: 15.47 ft at 7:30AM May 05, 2021Observed: 15.45 ft at 7:45AM May 05, 2021Observed: 15.47 ft at 8:00AM May 05, 2021Observed: 15.44 ft at 8:15AM May 05, 2021Observed: 15.42 ft at 8:30AM May 05, 2021Observed: 15.4 ft at 8:45AM May 05, 2021Observed: 15.43 ft at 9:00AM May 05, 2021Observed: 15.38 ft at 9:15AM May 05, 2021Observed: 15.41 ft at 9:30AM May 05, 2021Observed: 15.4 ft at 9:45AM May 05, 2021Observed: 15.39 ft at 10:00AM May 05, 2021Observed: 15.41 ft at 10:15AM May 05, 2021Observed: 15.39 ft at 10:30AM May 05, 2021Observed: 15.38 ft at 10:45AM May 05, 2021Observed: 15.37 ft at 11:00AM May 05, 2021Observed: 15.37 ft at 11:15AM May 05, 2021Observed: 15.37 ft at 11:30AM May 05, 2021Observed: 15.38 ft at 11:45AM May 05, 2021Observed: 15.36 ft at 12:00PM May 05, 2021Observed: 15.37 ft at 12:15PM May 05, 2021Observed: 15.35 ft at 12:30PM May 05, 2021Observed: 15.35 ft at 12:45PM May 05, 2021Observed: 15.34 ft at 1:00PM May 05, 2021Observed: 15.33 ft at 1:15PM May 05, 2021Observed: 15.34 ft at 1:30PM May 05, 2021Observed: 15.31 ft at 1:45PM May 05, 2021Observed: 15.31 ft at 2:00PM May 05, 2021Observed: 15.31 ft at 2:15PM May 05, 2021Observed: 15.3 ft at 2:30PM May 05, 2021Observed: 15.27 ft at 2:45PM May 05, 2021Observed: 15.3 ft at 3:00PM May 05, 2021Observed: 15.31 ft at 3:15PM May 05, 2021Observed: 15.27 ft at 3:30PM May 05, 2021Observed: 15.26 ft at 3:45PM May 05, 2021Observed: 15.26 ft at 4:00PM May 05, 2021Observed: 15.26 ft at 4:15PM May 05, 2021Observed: 15.26 ft at 4:30PM May 05, 2021Observed: 15.25 ft at 4:45PM May 05, 2021Observed: 15.24 ft at 5:00PM May 05, 2021Observed: 15.26 ft at 5:15PM May 05, 2021Observed: 15.25 ft at 5:30PM May 05, 2021Observed: 15.23 ft at 5:45PM May 05, 2021Observed: 15.22 ft at 6:00PM May 05, 2021Observed: 15.2 ft at 6:15PM May 05, 2021Observed: 15.24 ft at 6:30PM May 05, 2021Observed: 15.21 ft at 6:45PM May 05, 2021Observed: 15.21 ft at 7:00PM May 05, 2021Observed: 15.2 ft at 7:15PM May 05, 2021Observed: 15.2 ft at 7:30PM May 05, 2021Observed: 15.18 ft at 7:45PM May 05, 2021Observed: 15.2 ft at 8:00PM May 05, 2021Observed: 15.19 ft at 8:15PM May 05, 2021Observed: 15.18 ft at 8:30PM May 05, 2021Observed: 15.15 ft at 8:45PM May 05, 2021Observed: 15.18 ft at 9:00PM May 05, 2021Observed: 15.15 ft at 9:15PM May 05, 2021Observed: 15.17 ft at 9:30PM May 05, 2021Observed: 15.17 ft at 9:45PM May 05, 2021Observed: 15.13 ft at 10:00PM May 05, 2021Observed: 15.14 ft at 10:15PM May 05, 2021Observed: 14.94 ft at 10:30PM May 05, 2021Observed: 15.11 ft at 10:45PM May 05, 2021Observed: 15.12 ft at 11:00PM May 05, 2021Observed: 15.1 ft at 11:15PM May 05, 2021Observed: 15.14 ft at 11:30PM May 05, 2021Observed: 15.1 ft at 11:45PM May 05, 2021Observed: 15.1 ft at 12:00AM May 06, 2021Observed: 15.12 ft at 12:15AM May 06, 2021Observed: 15.1 ft at 12:30AM May 06, 2021Observed: 15.1 ft at 12:45AM May 06, 2021Observed: 15.09 ft at 1:00AM May 06, 2021Observed: 15.08 ft at 1:15AM May 06, 2021Observed: 15.08 ft at 1:30AM May 06, 2021Observed: 15.07 ft at 1:45AM May 06, 2021Observed: 15.04 ft at 2:00AM May 06, 2021Observed: 15.05 ft at 2:15AM May 06, 2021Observed: 14.99 ft at 2:30AM May 06, 2021Observed: 15.03 ft at 2:45AM May 06, 2021Observed: 15.05 ft at 3:00AM May 06, 2021Observed: 15.04 ft at 3:15AM May 06, 2021Observed: 15.04 ft at 3:30AM May 06, 2021Observed: 15.09 ft at 3:45AM May 06, 2021Observed: 15.09 ft at 4:00AM May 06, 2021Observed: 15.04 ft at 4:15AM May 06, 2021Observed: 15.04 ft at 4:30AM May 06, 2021Observed: 15.06 ft at 4:45AM May 06, 2021Observed: 15.03 ft at 5:00AM May 06, 2021Observed: 15.03 ft at 5:15AM May 06, 2021Observed: 15.05 ft at 5:30AM May 06, 2021Observed: 15.04 ft at 5:45AM May 06, 2021Observed: 15.04 ft at 6:00AM May 06, 2021Observed: 15.03 ft at 6:15AM May 06, 2021Observed: 15.03 ft at 6:30AM May 06, 2021Observed: 15.02 ft at 6:45AM May 06, 2021Observed: 15.05 ft at 7:00AM May 06, 2021Observed: 15.07 ft at 7:15AM May 06, 2021Observed: 15.05 ft at 7:30AM May 06, 2021Observed: 15.05 ft at 7:45AM May 06, 2021Observed: 15.05 ft at 8:00AM May 06, 2021Observed: 15.05 ft at 8:15AM May 06, 2021Observed: 15.04 ft at 8:30AM May 06, 2021Observed: 15.02 ft at 8:45AM May 06, 2021Observed: 15.03 ft at 9:00AM May 06, 2021Observed: 15.04 ft at 9:15AM May 06, 2021Observed: 15.03 ft at 9:30AM May 06, 2021Observed: 15.05 ft at 9:45AM May 06, 2021Observed: 15.08 ft at 10:00AM May 06, 2021Observed: 15.1 ft at 10:15AM May 06, 2021Observed: 15.1 ft at 10:30AM May 06, 2021Observed: 15.12 ft at 10:45AM May 06, 2021Observed: 15.13 ft at 11:00AM May 06, 2021Observed: 15.12 ft at 11:15AM May 06, 2021Observed: 15.13 ft at 11:30AM May 06, 2021Observed: 15.17 ft at 11:45AM May 06, 2021Observed: 15.17 ft at 12:00PM May 06, 2021Observed: 15.15 ft at 12:15PM May 06, 2021Observed: 15.1 ft at 12:30PM May 06, 2021Observed: 15.14 ft at 12:45PM May 06, 2021Forecast: 15 ft 7:00PM May 06, 2021Forecast: 15 ft 1:00AM May 07, 2021Forecast: 15 ft 7:00AM May 07, 2021Forecast: 15 ft 1:00PM May 07, 2021Forecast: 15 ft 7:00PM May 07, 2021Highest Forecast: 15.1 ft 1:00AM May 08, 2021Highest Forecast: 15.1 ft 7:00AM May 08, 2021Highest Forecast: 15.1 ft 1:00PM May 08, 2021Highest Forecast: 15.1 ft 7:00PM May 08, 2021Highest Forecast: 15.1 ft 1:00AM May 09, 2021Highest Forecast: 15.1 ft 7:00AM May 09, 2021Highest Forecast: 15.1 ft 1:00PM May 09, 2021Highest Forecast: 15.1 ft 7:00PM May 09, 2021Highest Forecast: 15.1 ft 1:00AM May 10, 2021Highest Forecast: 15.1 ft 7:00AM May 10, 2021Highest Forecast: 15.1 ft 1:00PM May 10, 2021Highest Forecast: 15.1 ft 7:00PM May 10, 2021Highest Forecast: 15.1 ft 1:00AM May 11, 2021Highest Forecast: 15.1 ft 7:00AM May 11, 2021Highest Forecast: 15.1 ft 1:00PM May 11, 2021Forecast: 15 ft 7:00PM May 11, 2021Forecast: 15 ft 1:00AM May 12, 2021Forecast: 15 ft 7:00AM May 12, 2021Forecast: 15 ft 1:00PM May 12, 2021Forecast: 15 ft 7:00PM May 12, 2021Forecast: 15 ft 1:00AM May 13, 2021Forecast: 15 ft 7:00AM May 13, 2021USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (1:25PM May 6, 2021)ObservedForecast (issued 9:51AM May 6)Latest observed value: 15.14 ft at 12:45 PM CDT 6-May-2021. Flood Stage is 23 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
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 Illinois River near Henry are issued routinely year-round.

Return to Area Map
Upstream Gauge - near La Salle Upstream Gauge Downstream Gauge Downstream Gauge - at Chillicothe
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 24
Flood Stage: 23
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests
(1) 32.94 ft on 04/22/2013
(2) 32.67 ft on 03/22/1979
(3) 32.20 ft on 05/23/1943
(4) 32.02 ft on 03/07/1985
(5) 31.62 ft on 05/21/2020 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 31.62 ft on 05/21/2020 (P)
(2) 25.25 ft on 05/03/2020 (P)
(3) 22.57 ft on 01/18/2020 (P)
(4) 24.10 ft on 11/03/2019 (P)
(5) 24.58 ft on 10/01/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
32.5 Illinois Route 18 in Marshall County is closed. Parts of Illinois Route 17 between Sparland and Lacon are closed.
32 Water begins flooding parts of Illinois Route 18 between Henry and Illinois Route 26. Parts of Illinois Route 17 begin to flood.
30.5 The Marina building, Waterworks Park, and grain loading facility in Henry are flooded.
29.6 A few homes begin to flood in Henry.
28.5 Hennepin levee overtopped.
28 Flooding begins to affect buildings east of Illinois Route 29 in Sparland.
23 Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river.
Photos
(1) Looking Downstream (Stage: 15.45 ft)
(2) Looking Upstream (Stage: 15.45 ft)
(3) Gauge House
About This Location Collapse

Latitude: 41.107222° N, Longitude: 89.356111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 425.88 ft 448.88 ft 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
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
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities