Severe Flood ● Closed
Flash Flood Watch issued September 18 at 3:21AM MDT until September 19 at 6:00PM MDT by NWS Great Falls MT, United States of America
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* 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
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northwest Beaverhead County |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-18T15:15:00-06:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 31 days ago (Sep 18, 2026 09:22 UTC) · we last heard from WMO Alert Hub (national weather services) 18 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Northwest Beaverhead County
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.