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Severe · Flood WatchActive alert

Flood Watch issued September 19 at 10:40PM MDT until September 20 at

Affecting Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Northern Stillwater; Powder River; Carter; Northern Park; Golden Valley; Red Lodge Foothills; Northern Big Horn; Southern Rosebud; Judith Gap; Paradise Valley; Livingston Area; Beartooth Foothills; Absaroka/Beartooth Mountains; Crazy Mountains; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Bighorn Canyon; Northern Carbon; Pryor/Northern Bighorn Mountains; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Northeast Bighorn Mountains; Sheridan Foothills

In effect until: Sep 21, 2026, 12:00 AM

Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Northern Stillwater; Powder River; Carter; Northern Park; Golden Valley; Red Lodge Foothills; Northern Big Horn; Southern Rosebud; Judith Gap; Paradise Valley; Livingston Area; Beartooth Foothills; Absaroka/Beartooth Mountains; Crazy Mountains; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Bighorn Canyon; Northern Carbon; Pryor/Northern Bighorn Mountains; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Northeast Bighorn Mountains; Sheridan Foothills

Possible impact zone; conditions develop through 12:00 AM.

Monitor the latest forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Read the original bulletin (official text)
A slow moving weather system will continue to impact the region
through Sunday. The risk of flooding continues, especially over
Southeast Montana and Northeast Wyoming.

* WHAT...Flooding caused by excessive rainfall is possible, along
with flash flooding over recent burn scars.

* WHERE...All of South Central and Southeast Montana, and Sheridan
County Wyoming.

* WHEN...Through Sunday afternoon.

* IMPACTS...Excessive runoff may result in flooding of creeks and
other low-lying and flood-prone locations. Flooding may occur in
poor drainage and urban areas.

* ADDITIONAL DETAILS...
- The heaviest rainfall is slowly shifting over Southeastern
Montana and Northeast Wyoming. The risk of flooding over
south-centeral Montana is decreasing.
- The Robertson Draw, East Side, Elk, and McGhee-Remington burn
scars are particularly vulnerable to Flash Flooding and debris
flows. Any other burn scars from this summer will have elevated
Flash Flood potential as well.
- http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™