National Weather Service United States Department of Commerce

 

 

 

 

Precipitation Forecast

Day 1 Day 2 Day 3

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120 Hour Precipitation Accumulation Forecast

  


Excessive Rainfall Outlook

Today's Flash Flooding Potential Tomorrow's Flash Flooding Potential
Day 3 Flash Flooding Potential  

 

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Observed Precipitation

48 Hour Observed Precipitation

120 Hours Observed Precipitation

 


Missouri Basin River Forecast Center Outlooks

Probabilities of Exceeding
Minor Flood Levels Moderate Flood Levels Major Levels

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5-Day River Flood Outlook

Missouri Basin River Forecast Center Colorado Basin River Forecast Center

 

 


Click on the charts below for select local river gauge data and forecasts

*Forecasts may not be available for all locations. Forecasts are updated more routinely when flooding is anticipated or ongoing.

Click here for all Wyoming river and lake gauge readings

For more information about river forecasts and flooding potential,

visit Missouri Basin River Forecast Center and Colorado Basin River Forecast Center

 

 

Area Hydrographs

North Platte River Hydrograhs & HEFS

Click on Hydrograph to expand image, click on text below each image to see stage impacts and historic crests.

Saratoga, WY

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Sinclair, WY

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Casper, WY

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Glenrock, WY

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Orin, WY

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Henry, NE

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Bighorn/Wind River Hydrographs & HEFS

Click on Hydrograph to expand image, click on text below each image to see stage impacts and historic crests.

Dubois, WY

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Southeast of Dubois, WY

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Crowheart, WY

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Kinnear, WY

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Riverton, WY

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Basin, WY

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Greybull, WY

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Green River Hydrographs

Click on Hydrograph to expand image, click on text below each image to see stage impacts and historic crests.

Warren Bridge, WY

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La Barge, WY

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Fontenelle Dam, WY

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Green River, WY

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MBRFC HEFS Graphics

CBRFC HEFS Graphics

 
Explanation of HEFS Graphics

 


Basin Snow Water Equivalents

 

 

Other Resources

CoCoRaHS (Daily precip reports)

 

 

 

 

 

 

Wyoming State Engineers Office Flow Data

SNOTEL Current Snow Water Equivalent % of Normal

SNOTEL Water Year to Date Precipitation % of Normal

 

 

 

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