Wyoming Minor Flood Advisory | Effective 07/22/2026 22:25

Headline: 
Flood Advisory issued July 22 at 11:25PM MDT until July 23 at 2:30AM MDT by NWS Riverton WY
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
July 22, 2026 - 10:25pm
Expires: 
July 23, 2026 - 1:30am
Description: 
* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Eastern Fremont County in central Wyoming... West Central Natrona County in central Wyoming... * WHEN...Until 230 AM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 1124 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Between 1 and 2 inches of rain have fallen. - This includes the following streams and drainages... Fish Draw, Middle Fork Sage Hen Creek, Sage Hen Creek, West Canyon Creek, Maverick Butte Draw, Dry Creek, West Sage Hen Creek, Canyon Creek, Fraser Draw, Sand Hills Draw, South Fork Powder River, East Canyon Creek, Cow Camp Creek, Muskrat Creek, Deer Creek, Poison Creek and Merriam Meadows Draw. Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Mainly rural areas of Eastern Fremont and West Central Natrona Counties south of US-20/26. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Fremont, WY; Natrona, WY
Forcast Office: 
NWS Riverton WY