Headline:
Flood Advisory issued September 18 at 2:32PM MDT until September 18 at 4:30PM MDT by NWS Riverton WY
Event:
Flood Advisory
Urgency:
Expected
Effective:
September 18, 2026 - 1:32pm
Expires:
September 18, 2026 - 3:30pm
Description:
* WHAT...Arroyo and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Southeastern Fremont County in central Wyoming...
Northeastern Sweetwater County in south central Wyoming...
* WHEN...Until 430 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry arroyos. Overflowing poor
drainage areas.
* ADDITIONAL DETAILS...
- At 232 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause arroyo and small stream flooding.
Up to 0.5 inches of rain have fallen.
- Additional rainfall amounts of 0.1 to 0.8 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Bairoil and Green Mountain.
- 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.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
Area Description:
Fremont, WY; Sweetwater, WY
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov