Headline:
Flood Advisory issued July 22 at 8:26PM MDT until July 23 at 2:30AM MDT by NWS Riverton WY
Event:
Flood Advisory
Urgency:
Expected
Effective:
July 22, 2026 - 7:26pm
Expires:
July 23, 2026 - 1:30am
Description:
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...Southwestern Fremont County in central Wyoming, especially
along the Middle Fork of the Popo Agie River...
* WHEN...Until 230 AM MDT Thursday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises along the Popo Agie River in Sinks Canyon should be
monitored.
* ADDITIONAL DETAILS...
- At 821 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms this afternoon, with additional rain still
occurring. This will cause small stream flooding. Rapid river
rises will cause minor flooding in the advisory area. Between 3
and 4.5 inches of rain have fallen.
- This includes the following streams and drainages...
South Fork Squaw Creek, Squaw Creek, Middle Popo Agie River,
Roaring Fork Creek, Sweetwater Gap Drain, Tayo Creek, Sheep
Creek, Deep Creek, Shoshone Creek, Atlantic Creek and Sweetwater
River.
- Some locations that will experience flooding include...
Frye Lake, Sinks Canyon State Park and Sinks Canyon Campground.
- http://www.weather.gov/safety/flood
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
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
Forcast Office:
NWS Riverton WY
Sender: