FLUS45 KMSO 210621 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 1221 AM MDT Sun Jun 21 2026 MTZ001>007-043-220300- West of the Continental Divide- National Weather Service Missoula MT 1221 AM MDT Sun Jun 21 2026 .../NOTICE/ The Area Forecast Product (AFP) and State Forecast Product (SFP) for Montana will be discontinued June 29, 2026... .TODAY...Mostly sunny with a slight chance of rain. Highs in the mid 70s to lower 80s. .TONIGHT...Mostly clear. Lows in the 40s. .MONDAY...Mostly clear. Highs in the 70s to lower 80s. .TUESDAY...Mostly clear. Lows in the 40s. Highs in the upper 70s to mid 80s. .WEDNESDAY...Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the 80s. .THURSDAY...Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the 80s to lower 90s. $$