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
Big Creek Lake (Central IA) near Polk City Stage (ft)Observed: 20.74 ft at 1:00AM May 27, 2020Observed: 20.74 ft at 1:15AM May 27, 2020Observed: 20.74 ft at 1:30AM May 27, 2020Observed: 20.74 ft at 1:45AM May 27, 2020Observed: 20.74 ft at 2:00AM May 27, 2020Observed: 20.74 ft at 2:15AM May 27, 2020Observed: 20.75 ft at 2:30AM May 27, 2020Observed: 20.75 ft at 2:45AM May 27, 2020Observed: 20.75 ft at 3:00AM May 27, 2020Observed: 20.76 ft at 3:15AM May 27, 2020Observed: 20.76 ft at 3:30AM May 27, 2020Observed: 20.75 ft at 3:45AM May 27, 2020Observed: 20.76 ft at 4:00AM May 27, 2020Observed: 20.77 ft at 4:15AM May 27, 2020Observed: 20.77 ft at 4:30AM May 27, 2020Observed: 20.78 ft at 4:45AM May 27, 2020Observed: 20.78 ft at 5:00AM May 27, 2020Observed: 20.79 ft at 5:15AM May 27, 2020Observed: 20.78 ft at 5:30AM May 27, 2020Observed: 20.77 ft at 5:45AM May 27, 2020Observed: 20.78 ft at 6:00AM May 27, 2020Observed: 20.78 ft at 6:15AM May 27, 2020Observed: 20.79 ft at 6:30AM May 27, 2020Observed: 20.79 ft at 6:45AM May 27, 2020Observed: 20.79 ft at 7:00AM May 27, 2020Observed: 20.78 ft at 7:15AM May 27, 2020Observed: 20.78 ft at 7:30AM May 27, 2020Observed: 20.79 ft at 7:45AM May 27, 2020Observed: 20.79 ft at 8:00AM May 27, 2020Highest Observation: 20.8 ft at 8:15AM May 27, 2020Observed: 20.79 ft at 8:30AM May 27, 2020Observed: 20.79 ft at 8:45AM May 27, 2020Observed: 20.79 ft at 9:00AM May 27, 2020Observed: 20.79 ft at 9:15AM May 27, 2020Observed: 20.79 ft at 9:30AM May 27, 2020Observed: 20.78 ft at 9:45AM May 27, 2020Observed: 20.79 ft at 10:00AM May 27, 2020Observed: 20.79 ft at 10:15AM May 27, 2020Observed: 20.79 ft at 10:30AM May 27, 2020Observed: 20.78 ft at 10:45AM May 27, 2020Observed: 20.79 ft at 11:00AM May 27, 2020Observed: 20.79 ft at 11:15AM May 27, 2020Observed: 20.78 ft at 11:30AM May 27, 2020Observed: 20.78 ft at 11:45AM May 27, 2020Observed: 20.77 ft at 12:00PM May 27, 2020Observed: 20.77 ft at 12:15PM May 27, 2020Observed: 20.77 ft at 12:30PM May 27, 2020Observed: 20.77 ft at 12:45PM May 27, 2020Observed: 20.78 ft at 1:00PM May 27, 2020Observed: 20.77 ft at 1:15PM May 27, 2020Observed: 20.76 ft at 1:30PM May 27, 2020Observed: 20.76 ft at 1:45PM May 27, 2020Observed: 20.77 ft at 2:00PM May 27, 2020Observed: 20.76 ft at 2:15PM May 27, 2020Observed: 20.75 ft at 2:30PM May 27, 2020Observed: 20.76 ft at 2:45PM May 27, 2020Observed: 20.75 ft at 3:00PM May 27, 2020Observed: 20.74 ft at 3:15PM May 27, 2020Observed: 20.75 ft at 3:30PM May 27, 2020Observed: 20.75 ft at 3:45PM May 27, 2020Observed: 20.74 ft at 4:00PM May 27, 2020Observed: 20.74 ft at 4:15PM May 27, 2020Observed: 20.74 ft at 4:30PM May 27, 2020Observed: 20.74 ft at 4:45PM May 27, 2020Observed: 20.75 ft at 5:00PM May 27, 2020Observed: 20.74 ft at 5:15PM May 27, 2020Observed: 20.73 ft at 5:30PM May 27, 2020Observed: 20.73 ft at 5:45PM May 27, 2020Observed: 20.72 ft at 6:00PM May 27, 2020Observed: 20.72 ft at 6:15PM May 27, 2020Observed: 20.73 ft at 6:30PM May 27, 2020Observed: 20.72 ft at 6:45PM May 27, 2020Observed: 20.71 ft at 7:00PM May 27, 2020Observed: 20.7 ft at 7:15PM May 27, 2020Observed: 20.71 ft at 7:30PM May 27, 2020Observed: 20.71 ft at 7:45PM May 27, 2020Observed: 20.7 ft at 8:00PM May 27, 2020Observed: 20.7 ft at 8:15PM May 27, 2020Observed: 20.7 ft at 8:30PM May 27, 2020Observed: 20.71 ft at 8:45PM May 27, 2020Observed: 20.7 ft at 9:00PM May 27, 2020Observed: 20.7 ft at 9:15PM May 27, 2020Observed: 20.7 ft at 9:30PM May 27, 2020Observed: 20.69 ft at 9:45PM May 27, 2020Observed: 20.69 ft at 10:00PM May 27, 2020Observed: 20.68 ft at 10:15PM May 27, 2020Observed: 20.68 ft at 10:30PM May 27, 2020Observed: 20.68 ft at 10:45PM May 27, 2020Observed: 20.68 ft at 11:00PM May 27, 2020Observed: 20.68 ft at 11:15PM May 27, 2020Observed: 20.67 ft at 11:30PM May 27, 2020Observed: 20.67 ft at 11:45PM May 27, 2020Observed: 20.67 ft at 12:00AM May 28, 2020Observed: 20.66 ft at 12:15AM May 28, 2020Observed: 20.67 ft at 12:30AM May 28, 2020Observed: 20.66 ft at 12:45AM May 28, 2020Observed: 20.66 ft at 1:00AM May 28, 2020Observed: 20.66 ft at 1:15AM May 28, 2020Observed: 20.67 ft at 1:30AM May 28, 2020Observed: 20.66 ft at 1:45AM May 28, 2020Observed: 20.67 ft at 2:00AM May 28, 2020Observed: 20.67 ft at 2:15AM May 28, 2020Observed: 20.69 ft at 2:30AM May 28, 2020Observed: 20.68 ft at 2:45AM May 28, 2020Observed: 20.69 ft at 3:00AM May 28, 2020Observed: 20.69 ft at 3:15AM May 28, 2020Observed: 20.68 ft at 3:30AM May 28, 2020Observed: 20.68 ft at 3:45AM May 28, 2020Observed: 20.68 ft at 4:00AM May 28, 2020Observed: 20.67 ft at 4:15AM May 28, 2020Observed: 20.68 ft at 4:30AM May 28, 2020Observed: 20.67 ft at 4:45AM May 28, 2020Observed: 20.66 ft at 5:00AM May 28, 2020Observed: 20.66 ft at 5:15AM May 28, 2020Observed: 20.67 ft at 5:30AM May 28, 2020Observed: 20.65 ft at 5:45AM May 28, 2020Observed: 20.66 ft at 6:00AM May 28, 2020Observed: 20.64 ft at 6:15AM May 28, 2020Observed: 20.64 ft at 6:30AM May 28, 2020Observed: 20.65 ft at 6:45AM May 28, 2020Observed: 20.64 ft at 7:00AM May 28, 2020Observed: 20.65 ft at 7:15AM May 28, 2020Observed: 20.65 ft at 7:30AM May 28, 2020Observed: 20.65 ft at 7:45AM May 28, 2020Observed: 20.65 ft at 8:00AM May 28, 2020Observed: 20.63 ft at 8:15AM May 28, 2020Observed: 20.63 ft at 8:30AM May 28, 2020Observed: 20.63 ft at 8:45AM May 28, 2020Observed: 20.63 ft at 9:00AM May 28, 2020Observed: 20.63 ft at 9:15AM May 28, 2020Observed: 20.63 ft at 9:30AM May 28, 2020Observed: 20.63 ft at 9:45AM May 28, 2020Observed: 20.62 ft at 10:00AM May 28, 2020Observed: 20.61 ft at 10:15AM May 28, 2020Observed: 20.62 ft at 10:30AM May 28, 2020Observed: 20.63 ft at 10:45AM May 28, 2020Observed: 20.63 ft at 11:00AM May 28, 2020Observed: 20.62 ft at 11:15AM May 28, 2020Observed: 20.63 ft at 11:30AM May 28, 2020Observed: 20.61 ft at 11:45AM May 28, 2020Observed: 20.6 ft at 12:00PM May 28, 2020Observed: 20.61 ft at 12:15PM May 28, 2020Observed: 20.6 ft at 12:30PM May 28, 2020Observed: 20.61 ft at 12:45PM May 28, 2020Observed: 20.6 ft at 1:00PM May 28, 2020Observed: 20.61 ft at 1:15PM May 28, 2020Observed: 20.61 ft at 1:30PM May 28, 2020Observed: 20.6 ft at 1:45PM May 28, 2020Observed: 20.59 ft at 2:00PM May 28, 2020Observed: 20.6 ft at 2:15PM May 28, 2020Observed: 20.58 ft at 2:30PM May 28, 2020Observed: 20.58 ft at 2:45PM May 28, 2020Observed: 20.56 ft at 3:00PM May 28, 2020Observed: 20.58 ft at 3:15PM May 28, 2020Observed: 20.57 ft at 3:30PM May 28, 2020Observed: 20.55 ft at 3:45PM May 28, 2020Observed: 20.53 ft at 4:00PM May 28, 2020Observed: 20.54 ft at 4:15PM May 28, 2020Observed: 20.54 ft at 4:30PM May 28, 2020Observed: 20.54 ft at 4:45PM May 28, 2020Observed: 20.54 ft at 5:00PM May 28, 2020Observed: 20.54 ft at 5:15PM May 28, 2020Observed: 20.54 ft at 5:30PM May 28, 2020Observed: 20.53 ft at 5:45PM May 28, 2020Observed: 20.53 ft at 6:00PM May 28, 2020Observed: 20.52 ft at 6:15PM May 28, 2020Observed: 20.52 ft at 6:30PM May 28, 2020Observed: 20.51 ft at 6:45PM May 28, 2020Observed: 20.5 ft at 7:00PM May 28, 2020Observed: 20.5 ft at 7:15PM May 28, 2020Observed: 20.5 ft at 7:30PM May 28, 2020Observed: 20.5 ft at 7:45PM May 28, 2020Observed: 20.5 ft at 8:00PM May 28, 2020Observed: 20.49 ft at 8:15PM May 28, 2020Observed: 20.49 ft at 8:30PM May 28, 2020Observed: 20.48 ft at 8:45PM May 28, 2020Observed: 20.49 ft at 9:00PM May 28, 2020Observed: 20.49 ft at 9:15PM May 28, 2020Observed: 20.48 ft at 9:30PM May 28, 2020Observed: 20.48 ft at 9:45PM May 28, 2020Observed: 20.47 ft at 10:00PM May 28, 2020Observed: 20.48 ft at 10:15PM May 28, 2020Observed: 20.48 ft at 10:30PM May 28, 2020Observed: 20.46 ft at 10:45PM May 28, 2020Observed: 20.47 ft at 11:00PM May 28, 2020Observed: 20.47 ft at 11:15PM May 28, 2020Observed: 20.47 ft at 11:30PM May 28, 2020Observed: 20.47 ft at 11:45PM May 28, 2020Observed: 20.47 ft at 12:00AM May 29, 2020Observed: 20.46 ft at 12:15AM May 29, 2020Observed: 20.46 ft at 12:30AM May 29, 2020Observed: 20.47 ft at 12:45AM May 29, 2020Observed: 20.46 ft at 1:00AM May 29, 2020Observed: 20.46 ft at 1:15AM May 29, 2020Observed: 20.47 ft at 1:30AM May 29, 2020Observed: 20.44 ft at 1:45AM May 29, 2020Observed: 20.45 ft at 2:00AM May 29, 2020Observed: 20.44 ft at 2:15AM May 29, 2020Observed: 20.44 ft at 2:30AM May 29, 2020Observed: 20.43 ft at 2:45AM May 29, 2020Observed: 20.43 ft at 3:00AM May 29, 2020Observed: 20.43 ft at 3:15AM May 29, 2020Observed: 20.42 ft at 3:30AM May 29, 2020Observed: 20.43 ft at 3:45AM May 29, 2020Observed: 20.44 ft at 4:00AM May 29, 2020Observed: 20.43 ft at 4:15AM May 29, 2020Observed: 20.42 ft at 4:30AM May 29, 2020Observed: 20.41 ft at 4:45AM May 29, 2020Observed: 20.4 ft at 5:00AM May 29, 2020Observed: 20.42 ft at 5:15AM May 29, 2020Observed: 20.41 ft at 5:30AM May 29, 2020Observed: 20.41 ft at 5:45AM May 29, 2020Observed: 20.41 ft at 6:00AM May 29, 2020Observed: 20.41 ft at 6:15AM May 29, 2020Observed: 20.4 ft at 6:30AM May 29, 2020Observed: 20.4 ft at 6:45AM May 29, 2020Observed: 20.4 ft at 7:00AM May 29, 2020Observed: 20.39 ft at 7:15AM May 29, 2020Observed: 20.4 ft at 7:30AM May 29, 2020Observed: 20.4 ft at 7:45AM May 29, 2020Observed: 20.41 ft at 8:00AM May 29, 2020Observed: 20.4 ft at 8:15AM May 29, 2020Observed: 20.4 ft at 8:30AM May 29, 2020Observed: 20.38 ft at 8:45AM May 29, 2020Observed: 20.4 ft at 9:00AM May 29, 2020Observed: 20.39 ft at 9:15AM May 29, 2020Observed: 20.39 ft at 9:30AM May 29, 2020Observed: 20.4 ft at 9:45AM May 29, 2020Observed: 20.4 ft at 10:00AM May 29, 2020Observed: 20.39 ft at 10:15AM May 29, 2020Observed: 20.38 ft at 10:30AM May 29, 2020Observed: 20.37 ft at 10:45AM May 29, 2020Observed: 20.37 ft at 11:00AM May 29, 2020Observed: 20.39 ft at 11:15AM May 29, 2020Observed: 20.37 ft at 11:30AM May 29, 2020Observed: 20.37 ft at 11:45AM May 29, 2020Observed: 20.36 ft at 12:00PM May 29, 2020Observed: 20.37 ft at 12:15PM May 29, 2020Observed: 20.36 ft at 12:30PM May 29, 2020Observed: 20.37 ft at 12:45PM May 29, 2020Observed: 20.38 ft at 1:00PM May 29, 2020Observed: 20.37 ft at 1:15PM May 29, 2020Observed: 20.35 ft at 1:30PM May 29, 2020Observed: 20.35 ft at 1:45PM May 29, 2020Observed: 20.34 ft at 2:00PM May 29, 2020Observed: 20.34 ft at 2:15PM May 29, 2020Observed: 20.34 ft at 2:30PM May 29, 2020Observed: 20.34 ft at 2:45PM May 29, 2020Observed: 20.33 ft at 3:00PM May 29, 2020Observed: 20.33 ft at 3:15PM May 29, 2020Observed: 20.33 ft at 3:30PM May 29, 2020Observed: 20.34 ft at 3:45PM May 29, 2020Observed: 20.35 ft at 4:00PM May 29, 2020Observed: 20.34 ft at 4:15PM May 29, 2020Observed: 20.34 ft at 4:30PM May 29, 2020Observed: 20.35 ft at 4:45PM May 29, 2020Observed: 20.35 ft at 5:00PM May 29, 2020Observed: 20.33 ft at 5:15PM May 29, 2020Observed: 20.32 ft at 5:30PM May 29, 2020Observed: 20.32 ft at 5:45PM May 29, 2020Observed: 20.31 ft at 6:00PM May 29, 2020Observed: 20.3 ft at 6:15PM May 29, 2020Observed: 20.31 ft at 6:30PM May 29, 2020Observed: 20.3 ft at 6:45PM May 29, 2020Observed: 20.3 ft at 7:00PM May 29, 2020Observed: 20.3 ft at 7:15PM May 29, 2020Observed: 20.31 ft at 7:30PM May 29, 2020Observed: 20.3 ft at 7:45PM May 29, 2020Observed: 20.3 ft at 8:00PM May 29, 2020Observed: 20.29 ft at 8:15PM May 29, 2020Observed: 20.3 ft at 8:30PM May 29, 2020Observed: 20.3 ft at 8:45PM May 29, 2020Observed: 20.29 ft at 9:00PM May 29, 2020Observed: 20.3 ft at 9:15PM May 29, 2020Observed: 20.31 ft at 9:30PM May 29, 2020Observed: 20.32 ft at 9:45PM May 29, 2020Observed: 20.3 ft at 10:00PM May 29, 2020Observed: 20.31 ft at 10:15PM May 29, 2020Observed: 20.31 ft at 10:30PM May 29, 2020Observed: 20.29 ft at 10:45PM May 29, 2020Observed: 20.28 ft at 11:00PM May 29, 2020Observed: 20.28 ft at 11:15PM May 29, 2020Observed: 20.29 ft at 11:30PM May 29, 2020Observed: 20.3 ft at 11:45PM May 29, 2020Observed: 20.31 ft at 12:00AM May 30, 2020Observed: 20.3 ft at 12:15AM May 30, 2020Observed: 20.3 ft at 12:30AM May 30, 2020Observed: 20.28 ft at 12:45AM May 30, 2020Observed: 20.28 ft at 1:00AM May 30, 2020Observed: 20.28 ft at 1:15AM May 30, 2020Observed: 20.29 ft at 1:30AM May 30, 2020Observed: 20.28 ft at 1:45AM May 30, 2020Observed: 20.26 ft at 2:00AM May 30, 2020Observed: 20.27 ft at 2:15AM May 30, 2020Observed: 20.27 ft at 2:30AM May 30, 2020Observed: 20.29 ft at 2:45AM May 30, 2020Observed: 20.27 ft at 3:00AM May 30, 2020Observed: 20.27 ft at 3:15AM May 30, 2020Observed: 20.28 ft at 3:30AM May 30, 2020Observed: 20.27 ft at 3:45AM May 30, 2020Observed: 20.26 ft at 4:00AM May 30, 2020Observed: 20.26 ft at 4:15AM May 30, 2020Observed: 20.26 ft at 4:30AM May 30, 2020Observed: 20.27 ft at 4:45AM May 30, 2020Observed: 20.27 ft at 5:00AM May 30, 2020Observed: 20.27 ft at 5:15AM May 30, 2020Observed: 20.26 ft at 5:30AM May 30, 2020Observed: 20.25 ft at 5:45AM May 30, 2020Observed: 20.25 ft at 6:00AM May 30, 2020Observed: 20.27 ft at 6:15AM May 30, 2020Observed: 20.25 ft at 6:30AM May 30, 2020Observed: 20.24 ft at 6:45AM May 30, 2020Observed: 20.25 ft at 7:00AM May 30, 2020Observed: 20.25 ft at 7:15AM May 30, 2020Observed: 20.25 ft at 7:30AM May 30, 2020Observed: 20.26 ft at 7:45AM May 30, 2020Observed: 20.27 ft at 8:00AM May 30, 2020Observed: 20.25 ft at 8:15AM May 30, 2020Observed: 20.25 ft at 8:30AM May 30, 2020Observed: 20.27 ft at 8:45AM May 30, 2020Observed: 20.27 ft at 9:00AM May 30, 2020Observed: 20.27 ft at 9:15AM May 30, 2020Observed: 20.25 ft at 9:30AM May 30, 2020Observed: 20.24 ft at 9:45AM May 30, 2020Observed: 20.23 ft at 10:00AM May 30, 2020Observed: 20.24 ft at 10:15AM May 30, 2020Observed: 20.25 ft at 10:30AM May 30, 2020Observed: 20.26 ft at 10:45AM May 30, 2020Observed: 20.24 ft at 11:00AM May 30, 2020Observed: 20.26 ft at 11:15AM May 30, 2020Observed: 20.27 ft at 11:30AM May 30, 2020Observed: 20.25 ft at 11:45AM May 30, 2020Observed: 20.23 ft at 12:00PM May 30, 2020Observed: 20.23 ft at 12:15PM May 30, 2020Observed: 20.23 ft at 12:30PM May 30, 2020Observed: 20.23 ft at 12:45PM May 30, 2020Observed: 20.25 ft at 1:00PM May 30, 2020Observed: 20.24 ft at 1:15PM May 30, 2020Observed: 20.22 ft at 1:30PM May 30, 2020Observed: 20.25 ft at 1:45PM May 30, 2020Observed: 20.26 ft at 2:00PM May 30, 2020Observed: 20.25 ft at 2:15PM May 30, 2020Observed: 20.24 ft at 2:30PM May 30, 2020Observed: 20.24 ft at 2:45PM May 30, 2020Observed: 20.22 ft at 3:00PM May 30, 2020Observed: 20.22 ft at 3:15PM May 30, 2020Observed: 20.24 ft at 3:30PM May 30, 2020Observed: 20.22 ft at 3:45PM May 30, 2020Observed: 20.23 ft at 4:00PM May 30, 2020Observed: 20.23 ft at 4:15PM May 30, 2020Observed: 20.22 ft at 4:30PM May 30, 2020Observed: 20.24 ft at 4:45PM May 30, 2020Observed: 20.22 ft at 5:00PM May 30, 2020Observed: 20.21 ft at 5:15PM May 30, 2020Observed: 20.23 ft at 5:30PM May 30, 2020Observed: 20.22 ft at 5:45PM May 30, 2020Observed: 20.23 ft at 6:00PM May 30, 2020Observed: 20.24 ft at 6:15PM May 30, 2020Observed: 20.22 ft at 6:30PM May 30, 2020Observed: 20.23 ft at 6:45PM May 30, 2020Observed: 20.24 ft at 7:00PM May 30, 2020Observed: 20.21 ft at 7:15PM May 30, 2020Observed: 20.22 ft at 7:30PM May 30, 2020Observed: 20.21 ft at 7:45PM May 30, 2020Observed: 20.21 ft at 8:00PM May 30, 2020Observed: 20.2 ft at 8:15PM May 30, 2020Observed: 20.21 ft at 8:30PM May 30, 2020Observed: 20.2 ft at 8:45PM May 30, 2020Observed: 20.2 ft at 9:00PM May 30, 2020Observed: 20.22 ft at 9:15PM May 30, 2020Observed: 20.23 ft at 9:30PM May 30, 2020Observed: 20.21 ft at 9:45PM May 30, 2020Observed: 20.22 ft at 10:00PM May 30, 2020Observed: 20.23 ft at 10:15PM May 30, 2020Observed: 20.21 ft at 10:30PM May 30, 2020Observed: 20.22 ft at 10:45PM May 30, 2020Observed: 20.21 ft at 11:00PM May 30, 2020Observed: 20.2 ft at 11:15PM May 30, 2020Observed: 20.19 ft at 11:30PM May 30, 2020Observed: 20.19 ft at 11:45PM May 30, 2020Observed: 20.19 ft at 12:00AM May 31, 2020Observed: 20.19 ft at 12:15AM May 31, 2020Observed: 20.19 ft at 12:30AM May 31, 2020Observed: 20.19 ft at 12:45AM May 31, 2020Observed: 20.19 ft at 1:00AM May 31, 2020Observed: 20.19 ft at 1:15AM May 31, 2020Observed: 20.19 ft at 1:30AM May 31, 2020Observed: 20.18 ft at 1:45AM May 31, 2020Observed: 20.18 ft at 2:00AM May 31, 2020Observed: 20.19 ft at 2:15AM May 31, 2020Observed: 20.19 ft at 2:30AM May 31, 2020Observed: 20.18 ft at 2:45AM May 31, 2020Observed: 20.18 ft at 3:00AM May 31, 2020Observed: 20.18 ft at 3:15AM May 31, 2020Observed: 20.18 ft at 3:30AM May 31, 2020Observed: 20.18 ft at 3:45AM May 31, 2020Observed: 20.18 ft at 4:00AM May 31, 2020Observed: 20.18 ft at 4:15AM May 31, 2020Observed: 20.18 ft at 4:30AM May 31, 2020Observed: 20.18 ft at 4:45AM May 31, 2020Observed: 20.17 ft at 5:00AM May 31, 2020Observed: 20.18 ft at 5:15AM May 31, 2020Observed: 20.18 ft at 5:30AM May 31, 2020Observed: 20.18 ft at 5:45AM May 31, 2020Observed: 20.18 ft at 6:00AM May 31, 2020Observed: 20.18 ft at 6:15AM May 31, 2020Observed: 20.18 ft at 6:30AM May 31, 2020Observed: 20.17 ft at 6:45AM May 31, 2020Observed: 20.17 ft at 7:00AM May 31, 2020Observed: 20.19 ft at 7:15AM May 31, 2020Observed: 20.18 ft at 7:30AM May 31, 2020Observed: 20.17 ft at 7:45AM May 31, 2020Observed: 20.17 ft at 8:00AM May 31, 2020Observed: 20.17 ft at 8:15AM May 31, 2020Observed: 20.17 ft at 8:30AM May 31, 2020Observed: 20.17 ft at 8:45AM May 31, 2020Observed: 20.18 ft at 9:00AM May 31, 2020Observed: 20.18 ft at 9:15AM May 31, 2020Observed: 20.17 ft at 9:30AM May 31, 2020Observed: 20.18 ft at 9:45AM May 31, 2020Observed: 20.18 ft at 10:00AM May 31, 2020Observed: 20.18 ft at 10:15AM May 31, 2020Observed: 20.17 ft at 10:30AM May 31, 2020Observed: 20.17 ft at 10:45AM May 31, 2020Observed: 20.17 ft at 11:00AM May 31, 2020Observed: 20.17 ft at 11:15AM May 31, 2020Observed: 20.17 ft at 11:30AM May 31, 2020Observed: 20.17 ft at 11:45AM May 31, 2020Observed: 20.16 ft at 12:00PM May 31, 2020Observed: 20.17 ft at 12:15PM May 31, 2020Observed: 20.17 ft at 12:30PM May 31, 2020Observed: 20.16 ft at 12:45PM May 31, 2020Observed: 20.16 ft at 1:00PM May 31, 2020Observed: 20.16 ft at 1:15PM May 31, 2020Observed: 20.18 ft at 1:30PM May 31, 2020Observed: 20.17 ft at 1:45PM May 31, 2020Observed: 20.16 ft at 2:00PM May 31, 2020Observed: 20.16 ft at 2:15PM May 31, 2020Observed: 20.16 ft at 2:30PM May 31, 2020Observed: 20.16 ft at 2:45PM May 31, 2020Observed: 20.16 ft at 3:00PM May 31, 2020Observed: 20.16 ft at 3:15PM May 31, 2020Observed: 20.16 ft at 3:30PM May 31, 2020Observed: 20.16 ft at 3:45PM May 31, 2020Observed: 20.16 ft at 4:00PM May 31, 2020Observed: 20.16 ft at 4:15PM May 31, 2020Observed: 20.16 ft at 4:30PM May 31, 2020Observed: 20.16 ft at 4:45PM May 31, 2020Observed: 20.16 ft at 5:00PM May 31, 2020Observed: 20.16 ft at 5:15PM May 31, 2020Observed: 20.16 ft at 5:30PM May 31, 2020Observed: 20.16 ft at 5:45PM May 31, 2020Observed: 20.16 ft at 6:00PM May 31, 2020Observed: 20.16 ft at 6:15PM May 31, 2020Observed: 20.16 ft at 6:30PM May 31, 2020Observed: 20.15 ft at 6:45PM May 31, 2020Observed: 20.15 ft at 7:00PM May 31, 2020Observed: 20.15 ft at 7:15PM May 31, 2020Observed: 20.15 ft at 7:30PM May 31, 2020Observed: 20.15 ft at 7:45PM May 31, 2020Observed: 20.15 ft at 8:00PM May 31, 2020Observed: 20.16 ft at 8:15PM May 31, 2020Observed: 20.16 ft at 8:30PM May 31, 2020Observed: 20.16 ft at 8:45PM May 31, 2020Observed: 20.16 ft at 9:00PM May 31, 2020Observed: 20.16 ft at 9:15PM May 31, 2020Observed: 20.16 ft at 9:30PM May 31, 2020Observed: 20.16 ft at 9:45PM May 31, 2020Observed: 20.16 ft at 10:00PM May 31, 2020Observed: 20.16 ft at 10:15PM May 31, 2020Observed: 20.16 ft at 10:30PM May 31, 2020Observed: 20.16 ft at 10:45PM May 31, 2020Observed: 20.16 ft at 11:00PM May 31, 2020Observed: 20.16 ft at 11:15PM May 31, 2020Observed: 20.15 ft at 11:30PM May 31, 2020Observed: 20.15 ft at 11:45PM May 31, 2020Observed: 20.15 ft at 12:00AM Jun 01, 2020Observed: 20.15 ft at 12:15AM Jun 01, 2020US Army Corps of EngineersPLKI4(plotting HGIRG) Graph Created (12:47AM Jun 1, 2020)ObservedLatest observed value: 20.15 ft at 12:15 AM CDT 1-Jun-2020.
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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 are not available for the Big Creek Lake (Central IA) near Polk City. Only observed stages are available for this point.

Return to Area Map
Upstream Gauge - near Polk City Upstream Gauge Downstream Gauge Downstream Gauge - at Saylorville Reservoir
Flood Categories (in feet)
Not Available

Historic Crests
(1) 923.80 ft on 06/14/2010
(2) 923.69 ft on 05/23/2004
(3) 923.51 ft on 10/01/1998
(4) 923.25 ft on 07/15/2009
(5) 922.64 ft on 08/11/2010
(6) 922.47 ft on 04/26/2007
(7) 922.40 ft on 06/24/1999
(8) 922.36 ft on 07/28/2008
(9) 922.09 ft on 06/12/2008
(10) 921.86 ft on 12/15/2015
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 920.01 ft on 04/26/2017
(2) 920.48 ft on 03/31/2017
(3) 920.02 ft on 03/27/2017
(4) 920.03 ft on 03/07/2017
(5) 920.12 ft on 02/22/2017
(6) 920.32 ft on 01/18/2017
(7) 920.06 ft on 12/27/2016
(8) 920.99 ft on 08/13/2016
(9) 920.04 ft on 08/05/2016
(10) 920.48 ft on 07/20/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 896.02 ft on 10/29/1995
(2) 910.35 ft on 02/05/2015
(3) 910.42 ft on 01/06/2014
(4) 910.43 ft on 02/27/2015
(5) 910.79 ft on 01/06/2015
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:13
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.
About This Location Collapse

Latitude: 41.794200° N, Longitude: 93.729500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 Not Available 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:
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: 1-Mar-2019 12:34 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities