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
Reservoirs at Grassy Lake Reservoir Pool (ft)Observed: 7199.43 ft at 4:15AM Nov 09, 2019Observed: 7199.43 ft at 4:30AM Nov 09, 2019Observed: 7199.44 ft at 4:45AM Nov 09, 2019Observed: 7199.44 ft at 5:00AM Nov 09, 2019Observed: 7199.44 ft at 5:15AM Nov 09, 2019Observed: 7199.43 ft at 5:30AM Nov 09, 2019Observed: 7199.44 ft at 5:45AM Nov 09, 2019Observed: 7199.44 ft at 6:00AM Nov 09, 2019Observed: 7199.44 ft at 6:15AM Nov 09, 2019Observed: 7199.44 ft at 6:30AM Nov 09, 2019Observed: 7199.44 ft at 6:45AM Nov 09, 2019Observed: 7199.44 ft at 7:00AM Nov 09, 2019Observed: 7199.44 ft at 7:15AM Nov 09, 2019Observed: 7199.44 ft at 7:30AM Nov 09, 2019Observed: 7199.44 ft at 7:45AM Nov 09, 2019Observed: 7199.44 ft at 8:00AM Nov 09, 2019Observed: 7199.44 ft at 8:15AM Nov 09, 2019Observed: 7199.44 ft at 8:30AM Nov 09, 2019Observed: 7199.44 ft at 8:45AM Nov 09, 2019Observed: 7199.44 ft at 9:00AM Nov 09, 2019Observed: 7199.44 ft at 9:15AM Nov 09, 2019Observed: 7199.44 ft at 9:30AM Nov 09, 2019Observed: 7199.44 ft at 9:45AM Nov 09, 2019Observed: 7199.44 ft at 10:00AM Nov 09, 2019Observed: 7199.44 ft at 10:15AM Nov 09, 2019Observed: 7199.44 ft at 10:30AM Nov 09, 2019Observed: 7199.45 ft at 10:45AM Nov 09, 2019Observed: 7199.44 ft at 11:00AM Nov 09, 2019Observed: 7199.44 ft at 11:15AM Nov 09, 2019Observed: 7199.44 ft at 11:30AM Nov 09, 2019Observed: 7199.45 ft at 11:45AM Nov 09, 2019Observed: 7199.45 ft at 12:00PM Nov 09, 2019Observed: 7199.45 ft at 12:15PM Nov 09, 2019Observed: 7199.45 ft at 12:30PM Nov 09, 2019Observed: 7199.45 ft at 12:45PM Nov 09, 2019Observed: 7199.45 ft at 1:00PM Nov 09, 2019Observed: 7199.45 ft at 1:15PM Nov 09, 2019Observed: 7199.45 ft at 1:30PM Nov 09, 2019Observed: 7199.45 ft at 1:45PM Nov 09, 2019Observed: 7199.45 ft at 2:00PM Nov 09, 2019Observed: 7199.45 ft at 2:15PM Nov 09, 2019Observed: 7199.45 ft at 2:30PM Nov 09, 2019Observed: 7199.45 ft at 2:45PM Nov 09, 2019Observed: 7199.45 ft at 3:00PM Nov 09, 2019Observed: 7199.45 ft at 3:15PM Nov 09, 2019Observed: 7199.45 ft at 3:30PM Nov 09, 2019Observed: 7199.45 ft at 3:45PM Nov 09, 2019Observed: 7199.45 ft at 4:00PM Nov 09, 2019Observed: 7199.45 ft at 4:15PM Nov 09, 2019Observed: 7199.45 ft at 4:30PM Nov 09, 2019Observed: 7199.45 ft at 4:45PM Nov 09, 2019Observed: 7199.45 ft at 5:00PM Nov 09, 2019Observed: 7199.45 ft at 5:15PM Nov 09, 2019Observed: 7199.45 ft at 5:30PM Nov 09, 2019Observed: 7199.45 ft at 5:45PM Nov 09, 2019Observed: 7199.45 ft at 6:00PM Nov 09, 2019Observed: 7199.45 ft at 6:15PM Nov 09, 2019Observed: 7199.45 ft at 6:30PM Nov 09, 2019Observed: 7199.45 ft at 6:45PM Nov 09, 2019Observed: 7199.45 ft at 7:00PM Nov 09, 2019Observed: 7199.45 ft at 7:15PM Nov 09, 2019Observed: 7199.45 ft at 7:30PM Nov 09, 2019Observed: 7199.45 ft at 7:45PM Nov 09, 2019Observed: 7199.45 ft at 8:00PM Nov 09, 2019Observed: 7199.46 ft at 8:15PM Nov 09, 2019Observed: 7199.45 ft at 8:30PM Nov 09, 2019Observed: 7199.45 ft at 8:45PM Nov 09, 2019Observed: 7199.45 ft at 9:00PM Nov 09, 2019Observed: 7199.45 ft at 9:15PM Nov 09, 2019Observed: 7199.46 ft at 9:30PM Nov 09, 2019Observed: 7199.46 ft at 9:45PM Nov 09, 2019Observed: 7199.46 ft at 10:00PM Nov 09, 2019Observed: 7199.46 ft at 10:15PM Nov 09, 2019Observed: 7199.45 ft at 10:30PM Nov 09, 2019Observed: 7199.45 ft at 10:45PM Nov 09, 2019Observed: 7199.45 ft at 11:00PM Nov 09, 2019Observed: 7199.46 ft at 11:15PM Nov 09, 2019Observed: 7199.46 ft at 11:30PM Nov 09, 2019Observed: 7199.46 ft at 11:45PM Nov 09, 2019Observed: 7199.46 ft at 12:00AM Nov 10, 2019Observed: 7199.45 ft at 12:15AM Nov 10, 2019Observed: 7199.45 ft at 12:30AM Nov 10, 2019Observed: 7199.46 ft at 12:45AM Nov 10, 2019Observed: 7199.46 ft at 1:00AM Nov 10, 2019Observed: 7199.46 ft at 1:15AM Nov 10, 2019Observed: 7199.46 ft at 1:30AM Nov 10, 2019Observed: 7199.46 ft at 1:45AM Nov 10, 2019Observed: 7199.46 ft at 2:00AM Nov 10, 2019Observed: 7199.46 ft at 2:15AM Nov 10, 2019Observed: 7199.46 ft at 2:30AM Nov 10, 2019Observed: 7199.46 ft at 2:45AM Nov 10, 2019Observed: 7199.46 ft at 3:00AM Nov 10, 2019Observed: 7199.46 ft at 3:15AM Nov 10, 2019Observed: 7199.46 ft at 3:30AM Nov 10, 2019Observed: 7199.46 ft at 3:45AM Nov 10, 2019Observed: 7199.46 ft at 4:00AM Nov 10, 2019Observed: 7199.46 ft at 4:15AM Nov 10, 2019Observed: 7199.46 ft at 4:30AM Nov 10, 2019Observed: 7199.46 ft at 4:45AM Nov 10, 2019Observed: 7199.46 ft at 5:00AM Nov 10, 2019Observed: 7199.46 ft at 5:15AM Nov 10, 2019Observed: 7199.46 ft at 5:30AM Nov 10, 2019Observed: 7199.46 ft at 5:45AM Nov 10, 2019Observed: 7199.46 ft at 6:00AM Nov 10, 2019Observed: 7199.46 ft at 6:15AM Nov 10, 2019Observed: 7199.46 ft at 6:30AM Nov 10, 2019Observed: 7199.46 ft at 6:45AM Nov 10, 2019Observed: 7199.46 ft at 7:00AM Nov 10, 2019Observed: 7199.46 ft at 7:15AM Nov 10, 2019Observed: 7199.46 ft at 7:30AM Nov 10, 2019Observed: 7199.46 ft at 7:45AM Nov 10, 2019Observed: 7199.46 ft at 8:00AM Nov 10, 2019Observed: 7199.46 ft at 8:15AM Nov 10, 2019Observed: 7199.46 ft at 8:30AM Nov 10, 2019Observed: 7199.46 ft at 8:45AM Nov 10, 2019Observed: 7199.47 ft at 9:00AM Nov 10, 2019Observed: 7199.47 ft at 9:15AM Nov 10, 2019Observed: 7199.46 ft at 9:30AM Nov 10, 2019Observed: 7199.46 ft at 9:45AM Nov 10, 2019Observed: 7199.47 ft at 10:00AM Nov 10, 2019Observed: 7199.47 ft at 10:15AM Nov 10, 2019Observed: 7199.47 ft at 10:30AM Nov 10, 2019Observed: 7199.46 ft at 10:45AM Nov 10, 2019Observed: 7199.46 ft at 11:00AM Nov 10, 2019Observed: 7199.46 ft at 11:15AM Nov 10, 2019Observed: 7199.46 ft at 11:30AM Nov 10, 2019Observed: 7199.47 ft at 11:45AM Nov 10, 2019Observed: 7199.47 ft at 12:00PM Nov 10, 2019Observed: 7199.47 ft at 12:15PM Nov 10, 2019Observed: 7199.46 ft at 12:30PM Nov 10, 2019Observed: 7199.47 ft at 12:45PM Nov 10, 2019Observed: 7199.47 ft at 1:00PM Nov 10, 2019Observed: 7199.47 ft at 1:15PM Nov 10, 2019Observed: 7199.47 ft at 1:30PM Nov 10, 2019Observed: 7199.47 ft at 1:45PM Nov 10, 2019Observed: 7199.47 ft at 2:00PM Nov 10, 2019Observed: 7199.47 ft at 2:15PM Nov 10, 2019Observed: 7199.47 ft at 2:30PM Nov 10, 2019Observed: 7199.47 ft at 2:45PM Nov 10, 2019Observed: 7199.47 ft at 3:00PM Nov 10, 2019Observed: 7199.47 ft at 3:15PM Nov 10, 2019Observed: 7199.47 ft at 3:30PM Nov 10, 2019Observed: 7199.47 ft at 3:45PM Nov 10, 2019Observed: 7199.47 ft at 4:00PM Nov 10, 2019Observed: 7199.47 ft at 4:15PM Nov 10, 2019Observed: 7199.48 ft at 4:30PM Nov 10, 2019Observed: 7199.47 ft at 4:45PM Nov 10, 2019Observed: 7199.47 ft at 5:00PM Nov 10, 2019Observed: 7199.47 ft at 5:15PM Nov 10, 2019Observed: 7199.47 ft at 5:30PM Nov 10, 2019Observed: 7199.47 ft at 5:45PM Nov 10, 2019Observed: 7199.47 ft at 6:00PM Nov 10, 2019Observed: 7199.47 ft at 6:15PM Nov 10, 2019Observed: 7199.48 ft at 6:30PM Nov 10, 2019Observed: 7199.48 ft at 6:45PM Nov 10, 2019Observed: 7199.48 ft at 7:00PM Nov 10, 2019Observed: 7199.47 ft at 7:15PM Nov 10, 2019Observed: 7199.48 ft at 7:30PM Nov 10, 2019Observed: 7199.47 ft at 7:45PM Nov 10, 2019Observed: 7199.47 ft at 8:00PM Nov 10, 2019Observed: 7199.47 ft at 8:15PM Nov 10, 2019Observed: 7199.48 ft at 8:30PM Nov 10, 2019Observed: 7199.48 ft at 8:45PM Nov 10, 2019Observed: 7199.47 ft at 9:00PM Nov 10, 2019Observed: 7199.47 ft at 9:15PM Nov 10, 2019Observed: 7199.47 ft at 9:30PM Nov 10, 2019Observed: 7199.47 ft at 9:45PM Nov 10, 2019Observed: 7199.47 ft at 10:00PM Nov 10, 2019Observed: 7199.47 ft at 10:15PM Nov 10, 2019Observed: 7199.47 ft at 10:30PM Nov 10, 2019Observed: 7199.47 ft at 10:45PM Nov 10, 2019Observed: 7199.48 ft at 11:00PM Nov 10, 2019Observed: 7199.47 ft at 11:15PM Nov 10, 2019Observed: 7199.47 ft at 11:30PM Nov 10, 2019Observed: 7199.47 ft at 11:45PM Nov 10, 2019Observed: 7199.47 ft at 12:00AM Nov 11, 2019Observed: 7199.47 ft at 12:15AM Nov 11, 2019Observed: 7199.47 ft at 12:30AM Nov 11, 2019Observed: 7199.47 ft at 12:45AM Nov 11, 2019Observed: 7199.47 ft at 1:00AM Nov 11, 2019Observed: 7199.47 ft at 1:15AM Nov 11, 2019Observed: 7199.47 ft at 1:30AM Nov 11, 2019Observed: 7199.47 ft at 1:45AM Nov 11, 2019Observed: 7199.47 ft at 2:00AM Nov 11, 2019Observed: 7199.47 ft at 2:15AM Nov 11, 2019Observed: 7199.47 ft at 2:30AM Nov 11, 2019Observed: 7199.47 ft at 2:45AM Nov 11, 2019Observed: 7199.47 ft at 3:00AM Nov 11, 2019Observed: 7199.47 ft at 3:15AM Nov 11, 2019Observed: 7199.47 ft at 3:30AM Nov 11, 2019Observed: 7199.47 ft at 3:45AM Nov 11, 2019Observed: 7199.47 ft at 4:00AM Nov 11, 2019Observed: 7199.47 ft at 4:15AM Nov 11, 2019Observed: 7199.47 ft at 4:30AM Nov 11, 2019Observed: 7199.47 ft at 4:45AM Nov 11, 2019Observed: 7199.47 ft at 5:00AM Nov 11, 2019Observed: 7199.47 ft at 5:15AM Nov 11, 2019Observed: 7199.47 ft at 5:30AM Nov 11, 2019Observed: 7199.47 ft at 5:45AM Nov 11, 2019Observed: 7199.47 ft at 6:00AM Nov 11, 2019Observed: 7199.47 ft at 6:15AM Nov 11, 2019Observed: 7199.47 ft at 6:30AM Nov 11, 2019Observed: 7199.47 ft at 6:45AM Nov 11, 2019Observed: 7199.47 ft at 7:00AM Nov 11, 2019Observed: 7199.47 ft at 7:15AM Nov 11, 2019Observed: 7199.47 ft at 7:30AM Nov 11, 2019Observed: 7199.47 ft at 7:45AM Nov 11, 2019Observed: 7199.47 ft at 8:00AM Nov 11, 2019Observed: 7199.47 ft at 8:15AM Nov 11, 2019Observed: 7199.47 ft at 8:30AM Nov 11, 2019Observed: 7199.47 ft at 8:45AM Nov 11, 2019Observed: 7199.47 ft at 9:00AM Nov 11, 2019Observed: 7199.47 ft at 9:15AM Nov 11, 2019Observed: 7199.47 ft at 9:30AM Nov 11, 2019Observed: 7199.47 ft at 9:45AM Nov 11, 2019Observed: 7199.47 ft at 10:00AM Nov 11, 2019Observed: 7199.48 ft at 10:15AM Nov 11, 2019Observed: 7199.47 ft at 10:30AM Nov 11, 2019Observed: 7199.47 ft at 10:45AM Nov 11, 2019Observed: 7199.47 ft at 11:00AM Nov 11, 2019Observed: 7199.47 ft at 11:15AM Nov 11, 2019Observed: 7199.47 ft at 11:30AM Nov 11, 2019Observed: 7199.47 ft at 11:45AM Nov 11, 2019Observed: 7199.47 ft at 12:00PM Nov 11, 2019Observed: 7199.48 ft at 12:15PM Nov 11, 2019Observed: 7199.48 ft at 12:30PM Nov 11, 2019Observed: 7199.48 ft at 12:45PM Nov 11, 2019Observed: 7199.48 ft at 1:00PM Nov 11, 2019Observed: 7199.48 ft at 1:15PM Nov 11, 2019Observed: 7199.48 ft at 1:30PM Nov 11, 2019Observed: 7199.48 ft at 1:45PM Nov 11, 2019Observed: 7199.48 ft at 2:00PM Nov 11, 2019Observed: 7199.48 ft at 2:15PM Nov 11, 2019Observed: 7199.48 ft at 2:30PM Nov 11, 2019Observed: 7199.48 ft at 2:45PM Nov 11, 2019Observed: 7199.48 ft at 3:00PM Nov 11, 2019Observed: 7199.48 ft at 3:15PM Nov 11, 2019Observed: 7199.48 ft at 3:30PM Nov 11, 2019Observed: 7199.48 ft at 3:45PM Nov 11, 2019Observed: 7199.48 ft at 4:00PM Nov 11, 2019Observed: 7199.48 ft at 4:15PM Nov 11, 2019Observed: 7199.48 ft at 4:30PM Nov 11, 2019Observed: 7199.48 ft at 4:45PM Nov 11, 2019Observed: 7199.48 ft at 5:00PM Nov 11, 2019Observed: 7199.48 ft at 5:15PM Nov 11, 2019Observed: 7199.48 ft at 5:30PM Nov 11, 2019Observed: 7199.48 ft at 5:45PM Nov 11, 2019Observed: 7199.48 ft at 6:00PM Nov 11, 2019Observed: 7199.48 ft at 6:15PM Nov 11, 2019Observed: 7199.48 ft at 6:30PM Nov 11, 2019Observed: 7199.48 ft at 6:45PM Nov 11, 2019Observed: 7199.48 ft at 7:00PM Nov 11, 2019Observed: 7199.48 ft at 7:15PM Nov 11, 2019Observed: 7199.48 ft at 7:30PM Nov 11, 2019Observed: 7199.48 ft at 7:45PM Nov 11, 2019Observed: 7199.48 ft at 8:00PM Nov 11, 2019Observed: 7199.48 ft at 8:15PM Nov 11, 2019Observed: 7199.48 ft at 8:30PM Nov 11, 2019Observed: 7199.48 ft at 8:45PM Nov 11, 2019Observed: 7199.48 ft at 9:00PM Nov 11, 2019Observed: 7199.48 ft at 9:15PM Nov 11, 2019Observed: 7199.48 ft at 9:30PM Nov 11, 2019Observed: 7199.48 ft at 9:45PM Nov 11, 2019Observed: 7199.48 ft at 10:00PM Nov 11, 2019Observed: 7199.48 ft at 10:15PM Nov 11, 2019Observed: 7199.48 ft at 10:30PM Nov 11, 2019Observed: 7199.48 ft at 10:45PM Nov 11, 2019Observed: 7199.48 ft at 11:00PM Nov 11, 2019Observed: 7199.48 ft at 11:15PM Nov 11, 2019Observed: 7199.48 ft at 11:30PM Nov 11, 2019Observed: 7199.48 ft at 11:45PM Nov 11, 2019Observed: 7199.48 ft at 12:00AM Nov 12, 2019Observed: 7199.48 ft at 12:15AM Nov 12, 2019Observed: 7199.48 ft at 12:30AM Nov 12, 2019Observed: 7199.48 ft at 12:45AM Nov 12, 2019Observed: 7199.48 ft at 1:00AM Nov 12, 2019Observed: 7199.48 ft at 1:15AM Nov 12, 2019Observed: 7199.49 ft at 1:30AM Nov 12, 2019Observed: 7199.49 ft at 1:45AM Nov 12, 2019Observed: 7199.48 ft at 2:00AM Nov 12, 2019Observed: 7199.48 ft at 2:15AM Nov 12, 2019Observed: 7199.48 ft at 2:30AM Nov 12, 2019Observed: 7199.49 ft at 2:45AM Nov 12, 2019Observed: 7199.48 ft at 3:00AM Nov 12, 2019Observed: 7199.48 ft at 3:15AM Nov 12, 2019Observed: 7199.48 ft at 3:30AM Nov 12, 2019Observed: 7199.48 ft at 3:45AM Nov 12, 2019Observed: 7199.49 ft at 4:00AM Nov 12, 2019Observed: 7199.49 ft at 4:15AM Nov 12, 2019Observed: 7199.49 ft at 4:30AM Nov 12, 2019Observed: 7199.49 ft at 4:45AM Nov 12, 2019Observed: 7199.48 ft at 5:00AM Nov 12, 2019Observed: 7199.48 ft at 5:15AM Nov 12, 2019Observed: 7199.49 ft at 5:30AM Nov 12, 2019Observed: 7199.49 ft at 5:45AM Nov 12, 2019Observed: 7199.49 ft at 6:00AM Nov 12, 2019Observed: 7199.48 ft at 6:15AM Nov 12, 2019Observed: 7199.48 ft at 6:30AM Nov 12, 2019Observed: 7199.48 ft at 6:45AM Nov 12, 2019Observed: 7199.49 ft at 7:00AM Nov 12, 2019Observed: 7199.49 ft at 7:15AM Nov 12, 2019Observed: 7199.49 ft at 7:30AM Nov 12, 2019Observed: 7199.49 ft at 7:45AM Nov 12, 2019Observed: 7199.49 ft at 8:00AM Nov 12, 2019Observed: 7199.49 ft at 8:15AM Nov 12, 2019Observed: 7199.49 ft at 8:30AM Nov 12, 2019Observed: 7199.49 ft at 8:45AM Nov 12, 2019Observed: 7199.49 ft at 9:00AM Nov 12, 2019Observed: 7199.49 ft at 9:15AM Nov 12, 2019Observed: 7199.49 ft at 9:30AM Nov 12, 2019Observed: 7199.49 ft at 9:45AM Nov 12, 2019Observed: 7199.5 ft at 10:00AM Nov 12, 2019Observed: 7199.49 ft at 10:15AM Nov 12, 2019Observed: 7199.49 ft at 10:30AM Nov 12, 2019Observed: 7199.49 ft at 10:45AM Nov 12, 2019Observed: 7199.49 ft at 11:00AM Nov 12, 2019Observed: 7199.49 ft at 11:15AM Nov 12, 2019Observed: 7199.49 ft at 11:30AM Nov 12, 2019Observed: 7199.49 ft at 11:45AM Nov 12, 2019Observed: 7199.49 ft at 12:00PM Nov 12, 2019Observed: 7199.49 ft at 12:15PM Nov 12, 2019Observed: 7199.5 ft at 12:30PM Nov 12, 2019Observed: 7199.5 ft at 12:45PM Nov 12, 2019Observed: 7199.5 ft at 1:00PM Nov 12, 2019Observed: 7199.5 ft at 1:15PM Nov 12, 2019Observed: 7199.5 ft at 1:30PM Nov 12, 2019Observed: 7199.5 ft at 1:45PM Nov 12, 2019Observed: 7199.5 ft at 2:00PM Nov 12, 2019Observed: 7199.5 ft at 2:15PM Nov 12, 2019Observed: 7199.5 ft at 2:30PM Nov 12, 2019Observed: 7199.5 ft at 2:45PM Nov 12, 2019Observed: 7199.5 ft at 3:00PM Nov 12, 2019Observed: 7199.5 ft at 3:15PM Nov 12, 2019Observed: 7199.5 ft at 3:30PM Nov 12, 2019Observed: 7199.5 ft at 3:45PM Nov 12, 2019Observed: 7199.5 ft at 4:00PM Nov 12, 2019Observed: 7199.5 ft at 4:15PM Nov 12, 2019Observed: 7199.51 ft at 4:30PM Nov 12, 2019Observed: 7199.5 ft at 4:45PM Nov 12, 2019Observed: 7199.5 ft at 5:00PM Nov 12, 2019Observed: 7199.5 ft at 5:15PM Nov 12, 2019Observed: 7199.5 ft at 5:30PM Nov 12, 2019Observed: 7199.5 ft at 5:45PM Nov 12, 2019Observed: 7199.51 ft at 6:00PM Nov 12, 2019Observed: 7199.51 ft at 6:15PM Nov 12, 2019Observed: 7199.51 ft at 6:30PM Nov 12, 2019Observed: 7199.5 ft at 6:45PM Nov 12, 2019Observed: 7199.5 ft at 7:00PM Nov 12, 2019Observed: 7199.5 ft at 7:15PM Nov 12, 2019Observed: 7199.51 ft at 7:30PM Nov 12, 2019Observed: 7199.51 ft at 7:45PM Nov 12, 2019Observed: 7199.51 ft at 8:00PM Nov 12, 2019Observed: 7199.51 ft at 8:15PM Nov 12, 2019Observed: 7199.51 ft at 8:30PM Nov 12, 2019Observed: 7199.51 ft at 8:45PM Nov 12, 2019Observed: 7199.51 ft at 9:00PM Nov 12, 2019Observed: 7199.5 ft at 9:15PM Nov 12, 2019Observed: 7199.51 ft at 9:30PM Nov 12, 2019Observed: 7199.51 ft at 9:45PM Nov 12, 2019Observed: 7199.51 ft at 10:00PM Nov 12, 2019Observed: 7199.51 ft at 10:15PM Nov 12, 2019Observed: 7199.5 ft at 10:30PM Nov 12, 2019Observed: 7199.51 ft at 10:45PM Nov 12, 2019Observed: 7199.51 ft at 11:00PM Nov 12, 2019Observed: 7199.51 ft at 11:15PM Nov 12, 2019Observed: 7199.51 ft at 11:30PM Nov 12, 2019Observed: 7199.51 ft at 11:45PM Nov 12, 2019Observed: 7199.51 ft at 12:00AM Nov 13, 2019Observed: 7199.51 ft at 12:15AM Nov 13, 2019Observed: 7199.51 ft at 12:30AM Nov 13, 2019Observed: 7199.51 ft at 12:45AM Nov 13, 2019Observed: 7199.51 ft at 1:00AM Nov 13, 2019Observed: 7199.51 ft at 1:15AM Nov 13, 2019Observed: 7199.51 ft at 1:30AM Nov 13, 2019Observed: 7199.51 ft at 1:45AM Nov 13, 2019Observed: 7199.51 ft at 2:00AM Nov 13, 2019Observed: 7199.51 ft at 2:15AM Nov 13, 2019Observed: 7199.51 ft at 2:30AM Nov 13, 2019Observed: 7199.51 ft at 2:45AM Nov 13, 2019Observed: 7199.51 ft at 3:00AM Nov 13, 2019Observed: 7199.51 ft at 3:15AM Nov 13, 2019Observed: 7199.51 ft at 3:30AM Nov 13, 2019Observed: 7199.51 ft at 3:45AM Nov 13, 2019Observed: 7199.51 ft at 4:00AM Nov 13, 2019Observed: 7199.51 ft at 4:15AM Nov 13, 2019Observed: 7199.51 ft at 4:30AM Nov 13, 2019Observed: 7199.51 ft at 4:45AM Nov 13, 2019Observed: 7199.51 ft at 5:00AM Nov 13, 2019Observed: 7199.51 ft at 5:15AM Nov 13, 2019Observed: 7199.51 ft at 5:30AM Nov 13, 2019Observed: 7199.51 ft at 5:45AM Nov 13, 2019Observed: 7199.51 ft at 6:00AM Nov 13, 2019Observed: 7199.51 ft at 6:15AM Nov 13, 2019Observed: 7199.51 ft at 6:30AM Nov 13, 2019Observed: 7199.51 ft at 6:45AM Nov 13, 2019Observed: 7199.51 ft at 7:00AM Nov 13, 2019Observed: 7199.51 ft at 7:15AM Nov 13, 2019Observed: 7199.51 ft at 7:30AM Nov 13, 2019Observed: 7199.51 ft at 7:45AM Nov 13, 2019Observed: 7199.51 ft at 8:00AM Nov 13, 2019Observed: 7199.51 ft at 8:15AM Nov 13, 2019Observed: 7199.51 ft at 8:30AM Nov 13, 2019Observed: 7199.51 ft at 8:45AM Nov 13, 2019Observed: 7199.51 ft at 9:00AM Nov 13, 2019Observed: 7199.51 ft at 9:15AM Nov 13, 2019Observed: 7199.51 ft at 9:30AM Nov 13, 2019Observed: 7199.51 ft at 9:45AM Nov 13, 2019Observed: 7199.51 ft at 10:00AM Nov 13, 2019Observed: 7199.51 ft at 10:15AM Nov 13, 2019Observed: 7199.51 ft at 10:30AM Nov 13, 2019Observed: 7199.51 ft at 10:45AM Nov 13, 2019Observed: 7199.51 ft at 11:00AM Nov 13, 2019Highest Observation: 7199.52 ft at 11:15AM Nov 13, 2019Observed: 7199.51 ft at 11:30AM Nov 13, 2019Observed: 7199.51 ft at 11:45AM Nov 13, 2019Highest Observation: 7199.52 ft at 12:00PM Nov 13, 2019Observed: 7199.51 ft at 12:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 12:30PM Nov 13, 2019Observed: 7199.51 ft at 12:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 1:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 1:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 1:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 1:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 2:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 2:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 2:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 2:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 3:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 3:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 3:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 3:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 4:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 4:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 4:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 4:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 5:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 5:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 5:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 5:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 6:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 6:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 6:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 6:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 7:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 7:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 7:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 7:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 8:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 8:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 8:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 8:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 9:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 9:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 9:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 9:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 10:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 10:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 10:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 10:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 11:00PM Nov 13, 2019Highest Observation: 7199.52 ft at 11:15PM Nov 13, 2019Highest Observation: 7199.52 ft at 11:30PM Nov 13, 2019Highest Observation: 7199.52 ft at 11:45PM Nov 13, 2019Highest Observation: 7199.52 ft at 12:00AM Nov 14, 2019Highest Observation: 7199.52 ft at 12:15AM Nov 14, 2019Highest Observation: 7199.52 ft at 12:30AM Nov 14, 2019Highest Observation: 7199.52 ft at 12:45AM Nov 14, 2019Highest Observation: 7199.52 ft at 1:00AM Nov 14, 2019Highest Observation: 7199.52 ft at 1:15AM Nov 14, 2019Highest Observation: 7199.52 ft at 1:30AM Nov 14, 2019Highest Observation: 7199.52 ft at 1:45AM Nov 14, 2019Highest Observation: 7199.52 ft at 2:00AM Nov 14, 2019Highest Observation: 7199.52 ft at 2:15AM Nov 14, 2019Highest Observation: 7199.52 ft at 2:30AM Nov 14, 2019Highest Observation: 7199.52 ft at 2:45AM Nov 14, 2019Highest Observation: 7199.52 ft at 3:00AM Nov 14, 2019Highest Observation: 7199.52 ft at 3:15AM Nov 14, 2019GRLW4(plotting HPIRG) Graph Created (4:04AM Nov 14, 2019)ObservedLatest observed value: 7199.52 ft at 3:15 AM MST 14-Nov-2019. Flood Stage is 7212 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Reservoirs at Grassy Lake Reservoir. During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 7212
Action Stage: 7210
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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: 44.129167° N, Longitude: 110.818056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7212 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 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  
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
Riverton Weather Forecast Office
12744 West U.S. Highway 26
Riverton, WY 82501
(307) 857-3898
Ask Questions/Webmaster
Page last modified: 4-Mar-2019 11:28 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities