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Area Forecast Discussion
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
163 FXUS65 KMSO 160840 AFDMSO Area Forecast Discussion National Weather Service Missoula MT 240 AM MDT Fri Aug 16 2024 .DISCUSSION...Afternoon and evening showers and thunderstorms will redevelop this afternoon, on the back-end of a departing shortwave trough along the Canadian/US border. Brief heavy downpours, occasional lightning and breezy winds will be the main threats. Saturday through early next week will see the re-amplification of high pressure across the Northern Rockies. This will result in drying and warming conditions, with high temperatures approaching or cresting the 90 degree mark Saturday and Sunday. The apex of the ridge will then gradually shift to the east, putting the Northern Rockies into unstable southwesterly flow, bringing the return of afternoon and evening showers. 85% of the long range ensemble forecast models keeps this pattern over the region through the end of next weekend. && .AVIATION...There is a 25% probability of thunderstorms this afternoon after 16/2000Z, that will have the potential to bring brief heavy downpours, occasional lightning, and breezy winds to KGPI, KMSO, and KBTM. A warming and drying trend returns to the Northern Rockies this weekend. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...None. ID...None. && $$