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
Shell Rock River (Northeast IA) at Shell Rock Stage (ft)Flow (cfs)Observed: 7.7 ft at 7:15AM Mar 03, 2021Observed: 7.7 ft at 7:30AM Mar 03, 2021Observed: 7.7 ft at 7:45AM Mar 03, 2021Observed: 7.7 ft at 8:00AM Mar 03, 2021Observed: 7.7 ft at 8:15AM Mar 03, 2021Observed: 7.7 ft at 8:30AM Mar 03, 2021Observed: 7.7 ft at 8:45AM Mar 03, 2021Observed: 7.7 ft at 9:00AM Mar 03, 2021Observed: 7.7 ft at 9:15AM Mar 03, 2021Observed: 7.7 ft at 9:30AM Mar 03, 2021Observed: 7.7 ft at 9:45AM Mar 03, 2021Observed: 7.71 ft at 10:00AM Mar 03, 2021Observed: 7.71 ft at 10:15AM Mar 03, 2021Observed: 7.72 ft at 10:30AM Mar 03, 2021Observed: 7.72 ft at 10:45AM Mar 03, 2021Observed: 7.72 ft at 11:00AM Mar 03, 2021Observed: 7.73 ft at 11:15AM Mar 03, 2021Observed: 7.73 ft at 11:30AM Mar 03, 2021Observed: 7.73 ft at 11:45AM Mar 03, 2021Observed: 7.73 ft at 12:00PM Mar 03, 2021Observed: 7.73 ft at 12:15PM Mar 03, 2021Observed: 7.73 ft at 12:30PM Mar 03, 2021Observed: 7.73 ft at 12:45PM Mar 03, 2021Observed: 7.73 ft at 1:00PM Mar 03, 2021Observed: 7.73 ft at 1:15PM Mar 03, 2021Observed: 7.73 ft at 1:30PM Mar 03, 2021Observed: 7.73 ft at 1:45PM Mar 03, 2021Observed: 7.73 ft at 2:00PM Mar 03, 2021Observed: 7.73 ft at 2:15PM Mar 03, 2021Observed: 7.73 ft at 2:30PM Mar 03, 2021Observed: 7.74 ft at 2:45PM Mar 03, 2021Observed: 7.74 ft at 3:00PM Mar 03, 2021Observed: 7.74 ft at 3:15PM Mar 03, 2021Observed: 7.74 ft at 3:30PM Mar 03, 2021Observed: 7.75 ft at 3:45PM Mar 03, 2021Observed: 7.75 ft at 4:00PM Mar 03, 2021Observed: 7.75 ft at 4:15PM Mar 03, 2021Observed: 7.75 ft at 4:30PM Mar 03, 2021Observed: 7.75 ft at 4:45PM Mar 03, 2021Observed: 7.75 ft at 5:00PM Mar 03, 2021Observed: 7.76 ft at 5:15PM Mar 03, 2021Observed: 7.76 ft at 5:30PM Mar 03, 2021Observed: 7.76 ft at 5:45PM Mar 03, 2021Observed: 7.76 ft at 6:00PM Mar 03, 2021Observed: 7.76 ft at 6:15PM Mar 03, 2021Observed: 7.76 ft at 6:30PM Mar 03, 2021Observed: 7.76 ft at 6:45PM Mar 03, 2021Observed: 7.76 ft at 7:00PM Mar 03, 2021Observed: 7.76 ft at 7:15PM Mar 03, 2021Observed: 7.76 ft at 7:30PM Mar 03, 2021Observed: 7.76 ft at 7:45PM Mar 03, 2021Observed: 7.77 ft at 8:00PM Mar 03, 2021Observed: 7.77 ft at 8:15PM Mar 03, 2021Observed: 7.77 ft at 8:30PM Mar 03, 2021Observed: 7.77 ft at 8:45PM Mar 03, 2021Observed: 7.77 ft at 9:00PM Mar 03, 2021Observed: 7.77 ft at 9:15PM Mar 03, 2021Observed: 7.77 ft at 9:30PM Mar 03, 2021Observed: 7.77 ft at 9:45PM Mar 03, 2021Observed: 7.77 ft at 10:00PM Mar 03, 2021Observed: 7.77 ft at 10:15PM Mar 03, 2021Observed: 7.77 ft at 10:30PM Mar 03, 2021Observed: 7.78 ft at 10:45PM Mar 03, 2021Observed: 7.78 ft at 11:00PM Mar 03, 2021Observed: 7.78 ft at 11:15PM Mar 03, 2021Observed: 7.78 ft at 11:30PM Mar 03, 2021Observed: 7.78 ft at 11:45PM Mar 03, 2021Observed: 7.78 ft at 12:00AM Mar 04, 2021Observed: 7.78 ft at 12:15AM Mar 04, 2021Observed: 7.78 ft at 12:30AM Mar 04, 2021Observed: 7.78 ft at 12:45AM Mar 04, 2021Observed: 7.78 ft at 1:00AM Mar 04, 2021Observed: 7.78 ft at 1:15AM Mar 04, 2021Observed: 7.78 ft at 1:30AM Mar 04, 2021Observed: 7.78 ft at 1:45AM Mar 04, 2021Observed: 7.78 ft at 2:00AM Mar 04, 2021Observed: 7.78 ft at 2:15AM Mar 04, 2021Observed: 7.79 ft at 2:30AM Mar 04, 2021Observed: 7.79 ft at 2:45AM Mar 04, 2021Observed: 7.79 ft at 3:00AM Mar 04, 2021Observed: 7.79 ft at 3:15AM Mar 04, 2021Observed: 7.79 ft at 3:30AM Mar 04, 2021Observed: 7.79 ft at 3:45AM Mar 04, 2021Observed: 7.79 ft at 4:00AM Mar 04, 2021Observed: 7.79 ft at 4:15AM Mar 04, 2021Observed: 7.79 ft at 4:30AM Mar 04, 2021Observed: 7.79 ft at 4:45AM Mar 04, 2021Observed: 7.8 ft at 5:00AM Mar 04, 2021Observed: 7.8 ft at 5:15AM Mar 04, 2021Observed: 7.8 ft at 5:30AM Mar 04, 2021Observed: 7.8 ft at 5:45AM Mar 04, 2021Observed: 7.8 ft at 6:00AM Mar 04, 2021Observed: 7.8 ft at 6:15AM Mar 04, 2021Observed: 7.8 ft at 6:30AM Mar 04, 2021Observed: 7.8 ft at 6:45AM Mar 04, 2021Observed: 7.8 ft at 7:00AM Mar 04, 2021Observed: 7.81 ft at 7:15AM Mar 04, 2021Observed: 7.81 ft at 7:30AM Mar 04, 2021Observed: 7.81 ft at 7:45AM Mar 04, 2021Observed: 7.82 ft at 8:00AM Mar 04, 2021Observed: 7.82 ft at 8:15AM Mar 04, 2021Observed: 7.82 ft at 8:30AM Mar 04, 2021Observed: 7.83 ft at 8:45AM Mar 04, 2021Observed: 7.83 ft at 9:00AM Mar 04, 2021Observed: 7.84 ft at 9:15AM Mar 04, 2021Observed: 7.84 ft at 9:30AM Mar 04, 2021Observed: 7.85 ft at 9:45AM Mar 04, 2021Observed: 7.86 ft at 10:00AM Mar 04, 2021Observed: 7.87 ft at 10:15AM Mar 04, 2021Observed: 7.87 ft at 10:30AM Mar 04, 2021Observed: 7.87 ft at 10:45AM Mar 04, 2021Observed: 7.88 ft at 11:00AM Mar 04, 2021Observed: 7.88 ft at 11:15AM Mar 04, 2021Observed: 7.88 ft at 11:30AM Mar 04, 2021Observed: 7.88 ft at 11:45AM Mar 04, 2021Observed: 7.88 ft at 12:00PM Mar 04, 2021Observed: 7.88 ft at 12:15PM Mar 04, 2021Observed: 7.88 ft at 12:30PM Mar 04, 2021Observed: 7.88 ft at 12:45PM Mar 04, 2021Observed: 7.88 ft at 1:00PM Mar 04, 2021Observed: 7.88 ft at 1:15PM Mar 04, 2021Observed: 7.88 ft at 1:30PM Mar 04, 2021Observed: 7.88 ft at 1:45PM Mar 04, 2021Observed: 7.88 ft at 2:00PM Mar 04, 2021Observed: 7.89 ft at 2:15PM Mar 04, 2021Observed: 7.89 ft at 2:30PM Mar 04, 2021Observed: 7.89 ft at 2:45PM Mar 04, 2021Observed: 7.9 ft at 3:00PM Mar 04, 2021Observed: 7.9 ft at 3:15PM Mar 04, 2021Observed: 7.9 ft at 3:30PM Mar 04, 2021Observed: 7.9 ft at 3:45PM Mar 04, 2021Observed: 7.91 ft at 4:00PM Mar 04, 2021Observed: 7.91 ft at 4:15PM Mar 04, 2021Observed: 7.91 ft at 4:30PM Mar 04, 2021Observed: 7.91 ft at 4:45PM Mar 04, 2021Observed: 7.91 ft at 5:00PM Mar 04, 2021Observed: 7.91 ft at 5:15PM Mar 04, 2021Observed: 7.92 ft at 5:30PM Mar 04, 2021Observed: 7.92 ft at 5:45PM Mar 04, 2021Observed: 7.92 ft at 6:00PM Mar 04, 2021Observed: 7.92 ft at 6:15PM Mar 04, 2021Observed: 7.92 ft at 6:30PM Mar 04, 2021Observed: 7.92 ft at 6:45PM Mar 04, 2021Observed: 7.93 ft at 7:00PM Mar 04, 2021Observed: 7.93 ft at 7:15PM Mar 04, 2021Observed: 7.93 ft at 7:30PM Mar 04, 2021Observed: 7.93 ft at 7:45PM Mar 04, 2021Observed: 7.94 ft at 8:00PM Mar 04, 2021Observed: 7.94 ft at 8:15PM Mar 04, 2021Observed: 7.94 ft at 8:30PM Mar 04, 2021Observed: 7.94 ft at 8:45PM Mar 04, 2021Observed: 7.94 ft at 9:00PM Mar 04, 2021Observed: 7.94 ft at 9:15PM Mar 04, 2021Observed: 7.94 ft at 9:30PM Mar 04, 2021Observed: 7.94 ft at 9:45PM Mar 04, 2021Observed: 7.94 ft at 10:00PM Mar 04, 2021Observed: 7.94 ft at 10:15PM Mar 04, 2021Observed: 7.94 ft at 10:30PM Mar 04, 2021Observed: 7.94 ft at 10:45PM Mar 04, 2021Observed: 7.94 ft at 11:00PM Mar 04, 2021Observed: 7.94 ft at 11:15PM Mar 04, 2021Observed: 7.95 ft at 11:30PM Mar 04, 2021Observed: 7.95 ft at 11:45PM Mar 04, 2021Observed: 7.95 ft at 12:00AM Mar 05, 2021Observed: 7.95 ft at 12:15AM Mar 05, 2021Observed: 7.95 ft at 12:30AM Mar 05, 2021Observed: 7.95 ft at 12:45AM Mar 05, 2021Observed: 7.95 ft at 1:00AM Mar 05, 2021Observed: 7.95 ft at 1:15AM Mar 05, 2021Observed: 7.95 ft at 1:30AM Mar 05, 2021Observed: 7.95 ft at 1:45AM Mar 05, 2021Observed: 7.95 ft at 2:00AM Mar 05, 2021Observed: 7.95 ft at 2:15AM Mar 05, 2021Observed: 7.95 ft at 2:30AM Mar 05, 2021Observed: 7.95 ft at 2:45AM Mar 05, 2021Observed: 7.95 ft at 3:00AM Mar 05, 2021Observed: 7.95 ft at 3:15AM Mar 05, 2021Observed: 7.95 ft at 3:30AM Mar 05, 2021Observed: 7.95 ft at 3:45AM Mar 05, 2021Observed: 7.96 ft at 4:00AM Mar 05, 2021Observed: 7.96 ft at 4:15AM Mar 05, 2021Observed: 7.96 ft at 4:30AM Mar 05, 2021Observed: 7.96 ft at 4:45AM Mar 05, 2021Observed: 7.97 ft at 5:00AM Mar 05, 2021Observed: 7.97 ft at 5:15AM Mar 05, 2021Observed: 7.97 ft at 5:30AM Mar 05, 2021Observed: 7.98 ft at 5:45AM Mar 05, 2021Observed: 7.98 ft at 6:00AM Mar 05, 2021Observed: 7.98 ft at 6:15AM Mar 05, 2021Observed: 7.99 ft at 6:30AM Mar 05, 2021Observed: 7.99 ft at 6:45AM Mar 05, 2021Observed: 7.99 ft at 7:00AM Mar 05, 2021Observed: 8 ft at 7:15AM Mar 05, 2021Observed: 8 ft at 7:30AM Mar 05, 2021Observed: 8 ft at 7:45AM Mar 05, 2021Observed: 8 ft at 8:00AM Mar 05, 2021Observed: 8 ft at 8:15AM Mar 05, 2021Observed: 8.01 ft at 8:30AM Mar 05, 2021Observed: 8.01 ft at 8:45AM Mar 05, 2021Observed: 8.01 ft at 9:00AM Mar 05, 2021Observed: 8.01 ft at 9:15AM Mar 05, 2021Observed: 8.02 ft at 9:30AM Mar 05, 2021Observed: 8.02 ft at 9:45AM Mar 05, 2021Observed: 8.02 ft at 10:00AM Mar 05, 2021Observed: 8.02 ft at 10:15AM Mar 05, 2021Observed: 8.02 ft at 10:30AM Mar 05, 2021Observed: 8.03 ft at 10:45AM Mar 05, 2021Observed: 8.03 ft at 11:00AM Mar 05, 2021Observed: 8.03 ft at 11:15AM Mar 05, 2021Observed: 8.03 ft at 11:30AM Mar 05, 2021Observed: 8.04 ft at 11:45AM Mar 05, 2021Observed: 8.04 ft at 12:00PM Mar 05, 2021Observed: 8.04 ft at 12:15PM Mar 05, 2021Observed: 8.04 ft at 12:30PM Mar 05, 2021Observed: 8.04 ft at 12:45PM Mar 05, 2021Observed: 8.05 ft at 1:00PM Mar 05, 2021Observed: 8.05 ft at 1:15PM Mar 05, 2021Observed: 8.05 ft at 1:30PM Mar 05, 2021Observed: 8.06 ft at 1:45PM Mar 05, 2021Observed: 8.06 ft at 2:00PM Mar 05, 2021Observed: 8.06 ft at 2:15PM Mar 05, 2021Observed: 8.06 ft at 2:30PM Mar 05, 2021Observed: 8.06 ft at 2:45PM Mar 05, 2021Observed: 8.06 ft at 3:00PM Mar 05, 2021Observed: 8.07 ft at 3:15PM Mar 05, 2021Observed: 8.07 ft at 3:30PM Mar 05, 2021Observed: 8.08 ft at 3:45PM Mar 05, 2021Observed: 8.08 ft at 4:00PM Mar 05, 2021Observed: 8.08 ft at 4:15PM Mar 05, 2021Observed: 8.08 ft at 4:30PM Mar 05, 2021Observed: 8.09 ft at 4:45PM Mar 05, 2021Observed: 8.09 ft at 5:00PM Mar 05, 2021Observed: 8.1 ft at 5:15PM Mar 05, 2021Observed: 8.1 ft at 5:30PM Mar 05, 2021Observed: 8.1 ft at 5:45PM Mar 05, 2021Observed: 8.11 ft at 6:00PM Mar 05, 2021Observed: 8.11 ft at 6:15PM Mar 05, 2021Observed: 8.11 ft at 6:30PM Mar 05, 2021Observed: 8.12 ft at 6:45PM Mar 05, 2021Observed: 8.12 ft at 7:00PM Mar 05, 2021Observed: 8.12 ft at 7:15PM Mar 05, 2021Observed: 8.13 ft at 7:30PM Mar 05, 2021Observed: 8.13 ft at 7:45PM Mar 05, 2021Observed: 8.13 ft at 8:00PM Mar 05, 2021Observed: 8.13 ft at 8:15PM Mar 05, 2021Observed: 8.13 ft at 8:30PM Mar 05, 2021Observed: 8.13 ft at 8:45PM Mar 05, 2021Observed: 8.13 ft at 9:00PM Mar 05, 2021Observed: 8.13 ft at 9:15PM Mar 05, 2021Observed: 8.13 ft at 9:30PM Mar 05, 2021Observed: 8.13 ft at 9:45PM Mar 05, 2021Observed: 8.13 ft at 10:00PM Mar 05, 2021Observed: 8.14 ft at 10:15PM Mar 05, 2021Observed: 8.14 ft at 10:30PM Mar 05, 2021Observed: 8.14 ft at 10:45PM Mar 05, 2021Observed: 8.14 ft at 11:00PM Mar 05, 2021Observed: 8.14 ft at 11:15PM Mar 05, 2021Observed: 8.14 ft at 11:30PM Mar 05, 2021Observed: 8.14 ft at 11:45PM Mar 05, 2021Observed: 8.14 ft at 12:00AM Mar 06, 2021Observed: 8.14 ft at 12:15AM Mar 06, 2021Observed: 8.14 ft at 12:30AM Mar 06, 2021Observed: 8.14 ft at 12:45AM Mar 06, 2021Observed: 8.14 ft at 1:00AM Mar 06, 2021Observed: 8.14 ft at 1:15AM Mar 06, 2021Observed: 8.14 ft at 1:30AM Mar 06, 2021Observed: 8.14 ft at 1:45AM Mar 06, 2021Observed: 8.14 ft at 2:00AM Mar 06, 2021Observed: 8.15 ft at 2:15AM Mar 06, 2021Observed: 8.15 ft at 2:30AM Mar 06, 2021Observed: 8.15 ft at 2:45AM Mar 06, 2021Observed: 8.15 ft at 3:00AM Mar 06, 2021Observed: 8.15 ft at 3:15AM Mar 06, 2021Observed: 8.16 ft at 3:30AM Mar 06, 2021Observed: 8.16 ft at 3:45AM Mar 06, 2021Observed: 8.16 ft at 4:00AM Mar 06, 2021Observed: 8.16 ft at 4:15AM Mar 06, 2021Observed: 8.16 ft at 4:30AM Mar 06, 2021Observed: 8.16 ft at 4:45AM Mar 06, 2021Observed: 8.16 ft at 5:00AM Mar 06, 2021Observed: 8.17 ft at 5:15AM Mar 06, 2021Observed: 8.17 ft at 5:30AM Mar 06, 2021Observed: 8.17 ft at 5:45AM Mar 06, 2021Observed: 8.17 ft at 6:00AM Mar 06, 2021Observed: 8.17 ft at 6:15AM Mar 06, 2021Observed: 8.17 ft at 6:30AM Mar 06, 2021Observed: 8.17 ft at 6:45AM Mar 06, 2021Observed: 8.17 ft at 7:00AM Mar 06, 2021Observed: 8.18 ft at 7:15AM Mar 06, 2021Observed: 8.18 ft at 7:30AM Mar 06, 2021Observed: 8.18 ft at 7:45AM Mar 06, 2021Observed: 8.18 ft at 8:00AM Mar 06, 2021Observed: 8.18 ft at 8:15AM Mar 06, 2021Observed: 8.18 ft at 8:30AM Mar 06, 2021Observed: 8.18 ft at 8:45AM Mar 06, 2021Observed: 8.18 ft at 9:00AM Mar 06, 2021Observed: 8.18 ft at 9:15AM Mar 06, 2021Observed: 8.18 ft at 9:30AM Mar 06, 2021Observed: 8.18 ft at 9:45AM Mar 06, 2021Observed: 8.18 ft at 10:00AM Mar 06, 2021Observed: 8.19 ft at 10:15AM Mar 06, 2021Observed: 8.19 ft at 10:30AM Mar 06, 2021Observed: 8.19 ft at 10:45AM Mar 06, 2021Observed: 8.19 ft at 11:00AM Mar 06, 2021Observed: 8.19 ft at 11:15AM Mar 06, 2021Observed: 8.2 ft at 11:30AM Mar 06, 2021Observed: 8.2 ft at 11:45AM Mar 06, 2021Observed: 8.2 ft at 12:00PM Mar 06, 2021Observed: 8.2 ft at 12:15PM Mar 06, 2021Observed: 8.2 ft at 12:30PM Mar 06, 2021Observed: 8.2 ft at 12:45PM Mar 06, 2021Observed: 8.2 ft at 1:00PM Mar 06, 2021Observed: 8.2 ft at 1:15PM Mar 06, 2021Observed: 8.21 ft at 1:30PM Mar 06, 2021Observed: 8.21 ft at 1:45PM Mar 06, 2021Observed: 8.21 ft at 2:00PM Mar 06, 2021Observed: 8.22 ft at 2:15PM Mar 06, 2021Observed: 8.22 ft at 2:30PM Mar 06, 2021Observed: 8.22 ft at 2:45PM Mar 06, 2021Observed: 8.22 ft at 3:00PM Mar 06, 2021Observed: 8.22 ft at 3:15PM Mar 06, 2021Observed: 8.23 ft at 3:30PM Mar 06, 2021Observed: 8.23 ft at 3:45PM Mar 06, 2021Observed: 8.23 ft at 4:00PM Mar 06, 2021Observed: 8.23 ft at 4:15PM Mar 06, 2021Observed: 8.23 ft at 4:30PM Mar 06, 2021Observed: 8.24 ft at 4:45PM Mar 06, 2021Observed: 8.24 ft at 5:00PM Mar 06, 2021Observed: 8.24 ft at 5:15PM Mar 06, 2021Observed: 8.24 ft at 5:30PM Mar 06, 2021Observed: 8.24 ft at 5:45PM Mar 06, 2021Observed: 8.25 ft at 6:00PM Mar 06, 2021Observed: 8.25 ft at 6:15PM Mar 06, 2021Observed: 8.25 ft at 6:30PM Mar 06, 2021Observed: 8.26 ft at 6:45PM Mar 06, 2021Observed: 8.26 ft at 7:00PM Mar 06, 2021Observed: 8.26 ft at 7:15PM Mar 06, 2021Observed: 8.26 ft at 7:30PM Mar 06, 2021Observed: 8.26 ft at 7:45PM Mar 06, 2021Observed: 8.27 ft at 8:00PM Mar 06, 2021Observed: 8.27 ft at 8:15PM Mar 06, 2021Observed: 8.27 ft at 8:30PM Mar 06, 2021Observed: 8.27 ft at 8:45PM Mar 06, 2021Observed: 8.27 ft at 9:00PM Mar 06, 2021Observed: 8.28 ft at 9:15PM Mar 06, 2021Observed: 8.28 ft at 9:30PM Mar 06, 2021Observed: 8.28 ft at 9:45PM Mar 06, 2021Observed: 8.28 ft at 10:00PM Mar 06, 2021Observed: 8.28 ft at 10:15PM Mar 06, 2021Observed: 8.28 ft at 10:30PM Mar 06, 2021Observed: 8.28 ft at 10:45PM Mar 06, 2021Observed: 8.28 ft at 11:00PM Mar 06, 2021Observed: 8.28 ft at 11:15PM Mar 06, 2021Observed: 8.28 ft at 11:30PM Mar 06, 2021Observed: 8.28 ft at 11:45PM Mar 06, 2021Observed: 8.28 ft at 12:00AM Mar 07, 2021Observed: 8.28 ft at 12:15AM Mar 07, 2021Observed: 8.28 ft at 12:30AM Mar 07, 2021Observed: 8.28 ft at 12:45AM Mar 07, 2021Observed: 8.28 ft at 1:00AM Mar 07, 2021Observed: 8.28 ft at 1:15AM Mar 07, 2021Observed: 8.28 ft at 1:30AM Mar 07, 2021Observed: 8.28 ft at 1:45AM Mar 07, 2021Observed: 8.27 ft at 2:00AM Mar 07, 2021Observed: 8.27 ft at 2:15AM Mar 07, 2021Observed: 8.27 ft at 2:30AM Mar 07, 2021Observed: 8.27 ft at 2:45AM Mar 07, 2021Observed: 8.27 ft at 3:00AM Mar 07, 2021Observed: 8.27 ft at 3:15AM Mar 07, 2021Observed: 8.27 ft at 3:30AM Mar 07, 2021Observed: 8.27 ft at 3:45AM Mar 07, 2021Observed: 8.27 ft at 4:00AM Mar 07, 2021Observed: 8.27 ft at 4:15AM Mar 07, 2021Observed: 8.27 ft at 4:30AM Mar 07, 2021Observed: 8.27 ft at 4:45AM Mar 07, 2021Observed: 8.27 ft at 5:00AM Mar 07, 2021Observed: 8.27 ft at 5:15AM Mar 07, 2021Observed: 8.27 ft at 5:30AM Mar 07, 2021Observed: 8.27 ft at 5:45AM Mar 07, 2021Observed: 8.27 ft at 6:00AM Mar 07, 2021Observed: 8.27 ft at 6:15AM Mar 07, 2021Observed: 8.27 ft at 6:30AM Mar 07, 2021Observed: 8.27 ft at 6:45AM Mar 07, 2021Observed: 8.27 ft at 7:00AM Mar 07, 2021Observed: 8.27 ft at 7:15AM Mar 07, 2021Observed: 8.27 ft at 7:30AM Mar 07, 2021Observed: 8.27 ft at 7:45AM Mar 07, 2021Observed: 8.27 ft at 8:00AM Mar 07, 2021Observed: 8.27 ft at 8:15AM Mar 07, 2021Observed: 8.27 ft at 8:30AM Mar 07, 2021Observed: 8.28 ft at 8:45AM Mar 07, 2021Observed: 8.28 ft at 9:00AM Mar 07, 2021Observed: 8.29 ft at 9:15AM Mar 07, 2021Observed: 8.3 ft at 9:30AM Mar 07, 2021Observed: 8.3 ft at 9:45AM Mar 07, 2021Observed: 8.31 ft at 10:00AM Mar 07, 2021Observed: 8.31 ft at 10:15AM Mar 07, 2021Observed: 8.32 ft at 10:30AM Mar 07, 2021Observed: 8.32 ft at 10:45AM Mar 07, 2021Observed: 8.32 ft at 11:00AM Mar 07, 2021Observed: 8.32 ft at 11:15AM Mar 07, 2021Observed: 8.32 ft at 11:30AM Mar 07, 2021Observed: 8.32 ft at 11:45AM Mar 07, 2021Observed: 8.32 ft at 12:00PM Mar 07, 2021Observed: 8.32 ft at 12:15PM Mar 07, 2021Observed: 8.32 ft at 12:30PM Mar 07, 2021Observed: 8.32 ft at 12:45PM Mar 07, 2021Observed: 8.32 ft at 1:00PM Mar 07, 2021Observed: 8.32 ft at 1:15PM Mar 07, 2021Observed: 8.32 ft at 1:30PM Mar 07, 2021Observed: 8.32 ft at 1:45PM Mar 07, 2021Observed: 8.32 ft at 2:00PM Mar 07, 2021Observed: 8.32 ft at 2:15PM Mar 07, 2021Observed: 8.32 ft at 2:30PM Mar 07, 2021Observed: 8.32 ft at 2:45PM Mar 07, 2021Observed: 8.32 ft at 3:00PM Mar 07, 2021Observed: 8.32 ft at 3:15PM Mar 07, 2021Observed: 8.32 ft at 3:30PM Mar 07, 2021Observed: 8.32 ft at 3:45PM Mar 07, 2021Observed: 8.32 ft at 4:00PM Mar 07, 2021Observed: 8.32 ft at 4:15PM Mar 07, 2021Observed: 8.32 ft at 4:30PM Mar 07, 2021Observed: 8.32 ft at 4:45PM Mar 07, 2021Observed: 8.32 ft at 5:00PM Mar 07, 2021Observed: 8.32 ft at 5:15PM Mar 07, 2021Observed: 8.33 ft at 5:30PM Mar 07, 2021Observed: 8.33 ft at 5:45PM Mar 07, 2021Observed: 8.33 ft at 6:00PM Mar 07, 2021Observed: 8.33 ft at 6:15PM Mar 07, 2021Observed: 8.33 ft at 6:30PM Mar 07, 2021Observed: 8.33 ft at 6:45PM Mar 07, 2021Observed: 8.33 ft at 7:00PM Mar 07, 2021Observed: 8.33 ft at 7:15PM Mar 07, 2021Observed: 8.33 ft at 7:30PM Mar 07, 2021Observed: 8.33 ft at 7:45PM Mar 07, 2021Observed: 8.33 ft at 8:00PM Mar 07, 2021Observed: 8.33 ft at 8:15PM Mar 07, 2021Observed: 8.33 ft at 8:30PM Mar 07, 2021Observed: 8.33 ft at 8:45PM Mar 07, 2021Observed: 8.33 ft at 9:00PM Mar 07, 2021Observed: 8.33 ft at 9:15PM Mar 07, 2021Observed: 8.33 ft at 9:30PM Mar 07, 2021Observed: 8.33 ft at 9:45PM Mar 07, 2021Observed: 8.33 ft at 10:00PM Mar 07, 2021Observed: 8.33 ft at 10:15PM Mar 07, 2021Observed: 8.33 ft at 10:30PM Mar 07, 2021Observed: 8.33 ft at 10:45PM Mar 07, 2021Observed: 8.33 ft at 11:00PM Mar 07, 2021Observed: 8.33 ft at 11:15PM Mar 07, 2021Observed: 8.33 ft at 11:30PM Mar 07, 2021Observed: 8.33 ft at 11:45PM Mar 07, 2021Observed: 8.33 ft at 12:00AM Mar 08, 2021Observed: 8.33 ft at 12:15AM Mar 08, 2021Observed: 8.33 ft at 12:30AM Mar 08, 2021Observed: 8.33 ft at 12:45AM Mar 08, 2021Observed: 8.33 ft at 1:00AM Mar 08, 2021Observed: 8.33 ft at 1:15AM Mar 08, 2021Observed: 8.33 ft at 1:30AM Mar 08, 2021Observed: 8.33 ft at 1:45AM Mar 08, 2021Observed: 8.33 ft at 2:00AM Mar 08, 2021Observed: 8.33 ft at 2:15AM Mar 08, 2021Observed: 8.33 ft at 2:30AM Mar 08, 2021Observed: 8.33 ft at 2:45AM Mar 08, 2021Observed: 8.33 ft at 3:00AM Mar 08, 2021Observed: 8.33 ft at 3:15AM Mar 08, 2021Observed: 8.33 ft at 3:30AM Mar 08, 2021Observed: 8.34 ft at 3:45AM Mar 08, 2021Observed: 8.34 ft at 4:00AM Mar 08, 2021Observed: 8.34 ft at 4:15AM Mar 08, 2021Observed: 8.34 ft at 4:30AM Mar 08, 2021Observed: 8.34 ft at 4:45AM Mar 08, 2021Highest Observation: 8.35 ft at 5:00AM Mar 08, 2021Highest Observation: 8.35 ft at 5:15AM Mar 08, 2021Highest Observation: 8.35 ft at 5:30AM Mar 08, 2021Highest Observation: 8.35 ft at 5:45AM Mar 08, 2021USGS--Water Resources of the United StatesSHRI4(plotting HGIRG) Graph Created (7:02AM Mar 8, 2021)ObservedLatest observed value: 8.35 ft at 5:45 AM CST 8-Mar-2021. Flood Stage is 13.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Shell Rock River (Northeast IA) at Shell Rock are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - at IFC--Marble Rock 290th St Upstream Gauge Downstream Gauge Downstream Gauge - at Cedar Falls
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 13.5
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 21.40 ft on 09/23/2016
(2) 20.36 ft on 06/10/2008
(3) 17.70 ft on 01/01/1856
(4) 16.73 ft on 07/22/1999
(5) 16.26 ft on 03/28/1961
(6) 15.87 ft on 05/23/2004
(7) 15.49 ft on 06/30/1969
(8) 15.45 ft on 06/11/2018
(9) 15.21 ft on 04/01/1993
(10) 15.09 ft on 04/07/1965
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.48 ft on 03/16/2019
(2) 15.45 ft on 06/11/2018
(3) 12.01 ft on 10/01/2016
(4) 21.40 ft on 09/23/2016
(5) 12.32 ft on 09/18/2016
(6) 12.22 ft on 09/11/2016
(7) 12.94 ft on 08/26/2016
(8) 11.90 ft on 07/19/2016
(9) 11.01 ft on 06/23/2016
(10) 12.24 ft on 06/16/2016
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:14
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
21 The approach to the Cherry Street bridge floods.
20 Many residences flood.
18 Water nears the top of an arch beneath the Cherry Street bridge.
14 Flooding occurs in Shell Rock primarily in residential yards.
13.5 East Washington street is closed.
13 Part of South Lake Street is closed.
12.5 Seepage occurs in several basements close to the river.
12 Water affects South Prairie Street.
About This Location Collapse

Latitude: 42.711925° N, Longitude: 92.582966° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 13.5 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 29 885.34 ft Not Available 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 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend


  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
Ask Questions/Webmaster
Page last modified: 30-Oct-2020 4:09 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities