* WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible over the Wapiti Burn Area.
* WHERE...In an around the Wapiti Burn Scar in the Boise Mountains, including Highway 21 between Grandjean and Banner Summit.
* WHEN...Until 9 PM MDT this evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is possible during the period of the watch. Residents near the Wapiti Burn Area should prepare for potential flooding impacts.
* ADDITIONAL DETAILS... - Heavy rainfall is possible over the Wapiti Burn Area, which may lead to flash flooding and debris flows. - https://www.weather.gov/safety/flood