Area Forecast Discussion
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
934 FXUS65 KMSO 210743 AFDMSO Area Forecast Discussion National Weather Service Missoula MT 143 AM MDT Sat Sep 21 2024 .DISCUSSION...High pressure rebuilds this weekend. Cooler overnight low temperatures have prompted Frost Advisories for the valleys of west-central and northwest Montana that have not seen freezing weather so far this year. Protect sensitive vegetation overnight tonight and Saturday night. Dry northwesterly flow takes over again on Saturday. Models continue to back away from a system Sunday night, currently there is less than 15% chance of a few showers or sprinkles in the mountains. Temperatures rebound through midweek, with daytime highs reaching 10 to 15 degrees above normal by Wednesday. The next chance for precipitation will be later next week through the following weekend, though model guidance is not at all on the same page regarding timing and intensity. && .AVIATION...Today will feature mostly clear skies with light and variable winds. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...Frost Advisory until 9 AM MDT Saturday for Flathead/Mission Valleys...Kootenai/Cabinet Region...Lower Clark Fork Region...Missoula/Bitterroot Valleys. Frost Advisory from midnight Saturday night to 9 AM MDT Sunday for Flathead/Mission Valleys...Kootenai/Cabinet Region... Lower Clark Fork Region...Missoula/Bitterroot Valleys. ID...None. && $$