Severe · Flash Flood WatchActive alert
Flash Flood Watch issued September 18 at 3:21AM MDT until September 19
Affecting Northwest Beaverhead County
In effect until: Sep 18, 2026, 9:15 PM
Northwest Beaverhead County
Possible impact zone; conditions develop through 9:15 PM.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Read the original bulletin (official text)
* WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible over the Sand Creek and Bobcat Lakes Burn Scars. * WHERE...A portion of southwest Montana, including the following area, Northwest Beaverhead County. * WHEN...From 3 PM MDT this afternoon through Saturday afternoon. * IMPACTS...Heavy rainfall over the Sand Creek and Bobcat Lakes Burn Scars is expected up to and during the period of the watch. Residents near the Sand Creek and Bobcat Lakes Burn Scars should prepare for potential debris flow. Be sure to stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding of low-lying areas, urbanized street flooding, and debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - Showers and thunderstorms capable of producing locally intense rainfall are forecast to develop over the burn scar late this afternoon through this evening with additional precipitation expected through Saturday, which may lead to flash flooding and debris flows. - Some locations that may experience flash flooding include... Areas near the Sand Creek and Bobcat Lakes Burn Scars, including portions of the Pioneer Mountains Scenic Byway. - http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™