Headline:
Flash Flood Watch issued September 18 at 3:21AM MDT until September 19 at 6:00PM MDT by NWS Great Falls MT
Event:
Flash Flood Watch
Urgency:
Future
Effective:
September 18, 2026 - 2:21am
Expires:
September 18, 2026 - 2:15pm
Description:
* 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
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Northwest Beaverhead County
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov