Headline:
Flash Flood Watch issued July 21 at 10:17AM MDT until July 22 at 9:00PM MDT by NWS Boise ID
Event:
Flash Flood Watch
Urgency:
Future
Effective:
July 21, 2026 - 9:17am
Expires:
July 22, 2026 - 2:30pm
Description:
* WHAT...Flash flooding and debris flows caused by excessive
rainfall are possible over the Wapiti Burn Area.
* WHERE...In and around the Wapiti Burn Scar in the Boise Mountains,
including Highway 21 between Grandjean and Banner Summit, and
Grandjean Road.
* WHEN...From Wednesday afternoon through Wednesday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected
during the period of the watch. Those near the Wapiti Burn Area
should be prepared for potential flooding impacts.
* ADDITIONAL DETAILS...
- Heavy rainfall is expected over the Wapiti Burn Area, which
may lead to flash flooding and debris flows.
- https://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:
Boise Mountains
Forcast Office:
NWS Boise ID
Sender: