FLUS45 KMSO 201821 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 1221 PM MDT Sat Jun 20 2026 MTZ001>007-043-211500- West of the Continental Divide- National Weather Service Missoula MT 1221 PM MDT Sat Jun 20 2026 .../NOTICE/ The Area Forecast Product (AFP) and State Forecast Product (SFP) for Montana will be discontinued June 29, 2026... .TONIGHT...Mostly clear. Lows in the 40s to lower 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the 40s. .MONDAY...Mostly clear. Highs in the 70s. .TUESDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 70s to mid 80s. .WEDNESDAY...Partly cloudy. Lows in the 40s to lower 50s. Highs in the mid 80s to lower 90s. .THURSDAY...Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the mid 80s to lower 90s. $$