Rivers and flooding in Wyoming
215 river gauges the National Weather Service watches in Wyoming. Each has its forecast, flood stages and impacts, and its crest history.
Flood outlook
Significant river flooding over the next five days, and each gauge’s chance of flooding over the next three months.
Significant river flooding is occurring in Wyoming through September 25.
Significant flooding is already occurring or is forecast to occur during the outlook period.
Most likely to flood, September to November
- Buffalo Fork above Lava Creek near Moran-99900% chance of major flooding
- Green River (WY-UT-CO) near La Barge-99900% chance of major flooding
- Salt River (WY) near Etna-99900% chance of major flooding
- Snake River at Flagg Ranch-99900% chance of major flooding
- Green River (WY-UT-CO) at Warren Bridge-99900% chance of major flooding
- Pacific Creek near Moran-99900% chance of major flooding
6 of the 38 gauges the River Forecast Centers forecast in Wyoming have a stated chance of flooding in this period.
Bates Creek
Bear River
Belle Fourche River
Big Goose Creek
Big Sandy River (WY)
Bighorn River
Blacks Fork
Boiling River
Boulder Creek
Buffalo Fork
Bull Lake Creek
Cache Creek
Cheyenne River
Clear Creek
Coney Creek
Cottonwood Creek
Cross Creek
Crow Creek
Dinwoody Creek
East Fork Big Goose Creek
East Fork Smiths Fork
East Fork Wind River
East Pass Creek
Encampment River
Firehole River
Fish Creek (WY)
Five Mile Creek
Flat Creek (WY)
Fontenelle Creek
French Creek
Gardner River
Gibbon River
Goose Creek
Gooseberry Creek
Granite Creek (WY)
Green River (WY-UT-CO)
Greybull River
Greys River
Gros Ventre River
Hams Fork
Henrys Fork
Hoback River
Keyhole Reservoir
Kirby Creek
LaBarge Creek
Lake Creek
Lamar River
Laramie River
Laramie River Grayrocks Reservoir Inflow
Laramie River Grayrocks Reservoir Outflow
Laramie River Wheatland Reservoir No. 2 Outflow
Little Goose Creek
Little Laramie River
Little Medicine Bow River
Little Popo Agie River
Little Powder River
Little Snake River
Little Wind River
Medicine Bow River
Medicine Lodge Creek
Middle Fork Popo Agie River
Middle Fork Powder River
Middle Piney Creek
Muddy Creek
New Fork River
Nooksack River Overflow
North Fork Little Wind River
North Fork Popo Agie River
North Fork Powder River
North Fork Shoshone River
North Horse Creek
North Piney Creek
North Platte
North Platte River
- North Platte RiverBelow flood stage
- North Platte RiverNo flood stages set
- North Platte RiverNo flood stages set
- North Platte RiverNo flood stages set
- North Platte River at CasperBelow flood stage
- North Platte River at Glendo ReservoirBelow flood stage
- North Platte River at GlenrockOut of service
- North Platte River at Guernsey ReservoirBelow flood stage
- North Platte River at Kortes ReservoirNo flood stages set
- North Platte River at OrinBelow flood stage
- North Platte River at SaratogaBelow flood stage
- North Platte River at Seminoe ReservoirNo flood stages set
- North Platte River at SinclairBelow flood stage
Nowood River
Owl Creek
Pacific Creek
Paint Rock Creek
Park Diversion Ditch
Pine Creek
Piney Creek
Powder River (WY-MT)
Prairie Dog Creek
Reservoirs
- Reservoirs at Alcova ReservoirBelow flood stage
- Reservoirs at Big Sandy ReservoirBelow flood stage
- Reservoirs at Boysen ReservoirReading out of date
- Reservoirs at Buffalo BIll ReservoirBelow flood stage
- Reservoirs at Bull Lake ReservoirBelow flood stage
- Reservoirs at Eden ReservoirBelow flood stage
- Reservoirs at Fontenelle ReservoirOut of service
- Reservoirs at Grassy Lake ReservoirBelow flood stage
- Reservoirs at Gray Reef ReservoirReading out of date
- Reservoirs at Pathfinder ReservoirNo flood stages set
- Reservoirs at Viva Naughton ReservoirOut of service
Rock Creek
Salt River (WY)
Sand Creek
Savery Creek
Shell Creek
Shoshone River
Smiths Fork
Snake River
Soda Butte Creek
South Cottonwood Creek
South Fork Owl Creek
South Fork Shoshone River
South Piney Creek
Spring Creek (WY)
Sweetwater River
Sybille Creek
Tantalus Creek
Tensleep Creek
Teton Creek
Tongue River
West Fork Big Goose Creek
West Pass Creek
Wild Horse Creek
Wind River
- Wind RiverBelow flood stage
- Wind RiverBelow flood stage
- Wind River at Below Diversion Dam at Highway 26 BridgeBelow flood stage
- Wind River at CrowheartBelow flood stage
- Wind River at DuboisBelow flood stage
- Wind River at KinnearBelow flood stage
- Wind River at Red CreekBelow flood stage
- Wind River at RivertonBelow flood stage
Wolf Creek
Yellowstone River
Sources
Gauges, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow from the U.S. Geological Survey.