Headline:
Flood Watch issued September 20 at 12:49PM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
Event:
Flood Watch
Urgency:
Future
Effective:
September 20, 2026 - 11:49am
Expires:
September 20, 2026 - 5:00pm
Description:
* WHAT...Flash flooding caused by moderate to heavy rainfall is
possible, especially in terrain and poor drainage areas.
* WHERE...A portion of north central Wyoming, including the Bighorn
Mountains and Johnson County.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...Heavy rainfall may result in flooding of rivers, creeks,
streams, and other low-lying and flood-prone locations. Flooding
may occur in poor drainage and urban areas and around steep
terrain.
* ADDITIONAL DETAILS...
- As a weather system shifts into the High Plains, lingering
moisture will allow for showers and thunderstorms to be capable
of moderate to heavy rainfall across the Watch Area.
- http://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Bighorn Mountains West; Bighorn Mountains Southeast; Northeast Johnson County; Southeast Johnson County
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov