* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Wapiti Burn Area. * WHERE...A portion of southwest Idaho, including the following area, Boise Mountains. * WHEN...From Friday afternoon through Friday 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