BOISE, ID — Idaho’s Treasure Valley is heading into a warmer stretch of October weather, with temperatures climbing into the upper 70s Friday following a chilly start to the week that prompted a frost advisory across the region.
According to the National Weather Service in Boise, a Frost Advisory remained in effect until 10 a.m. MDT Wednesday, Oct. 14, covering portions of southwestern Idaho and eastern Oregon, including Boise, Nampa, Caldwell, Ontario and Nyssa.
Temperatures between 33 and 36 degrees were expected to produce frost, with a few locations potentially falling below freezing. Forecasters warned that sensitive outdoor vegetation could be damaged if left unprotected…