Area Forecast Discussion
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
694 FXUS65 KMSO 181007 AFDMSO Area Forecast Discussion National Weather Service Missoula MT 407 AM MDT Wed Sep 18 2024 .DISCUSSION...For today showers will diminish across north- central Idaho and western Montana except along the Divide. Nice warm and sunny days will end the week with highs in the 60s and 70s most valley locations except 80s in the lower valleys between Orofino and the Salmon River corridor. A weak wave will bring gusty westerly winds and drier air into the region Friday afternoon. There`s a 40 to 50 percent chance for showers in the Glacier region in the afternoon. The incoming dry air will enhance radiational cooling cooling for both Saturday and Sunday morning with possible frost in select lower valleys of both north- central Idaho and western Montana. Besides the cooler mornings, the remainder of the weekend looks mostly dry and warm. All the ensemble clusters depict a potential shortwave trough by Monday. There is a general 20 to 30 percent chance for showers. Temperatures will be seasonable to start then a gradual warm-up ensues thereafter. && .AVIATION...A departing low pressure area will keep persistent showers going today towards the Continental Divide with mountain obscurations and lowered ceilings at times. Clearing skies tonight could give way to patchy valley fog by Thursday morning. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...None. ID...None. && $$