Montana, Wyoming Severe Flood Watch | Effective 07/21/2026 23:42

Headline: 
Flood Watch issued July 22 at 12:42AM MDT until July 23 at 2:00AM MDT by NWS Billings MT
Event: 
Flood Watch
Urgency: 
Future
Effective: 
July 21, 2026 - 11:42pm
Expires: 
July 22, 2026 - 11:45pm
Description: 
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of south central Montana, including the following areas, Absaroka/Beartooth Mountains, Beartooth Foothills, Bighorn Canyon, Livingston Area, Northern Carbon, Paradise Valley, Pryor/Northern Bighorn Mountains, Red Lodge Foothills, Southeastern Carbon and Southern Big Horn and north central Wyoming, including the following areas, Northeast Bighorn Mountains and Sheridan Foothills. * WHEN...From this afternoon through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, streams, and other low-lying and flood-prone locations. Recent burn scars, including the Robertson Draw and East Side south of Red Lodge, and the Elk along the eastern slopes of the Bighorn Mountains, are at risk of experiencing flash flooding and debris flows. * ADDITIONAL DETAILS... - Thunderstorms capable of producing very heavy rain are expected this afternoon and evening. These storms may cause localized flash flooding. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor the forecast and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Red Lodge Foothills; Paradise Valley; Livingston Area; Beartooth Foothills; Absaroka/Beartooth Mountains; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Northern Carbon; Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains; Sheridan Foothills
Forcast Office: 
NWS Billings MT