FLUS45 KMSO 041821 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 1221 PM MDT Mon May 4 2026 MTZ001>007-043-051500- West of the Continental Divide- National Weather Service Missoula MT 1221 PM MDT Mon May 4 2026 .TONIGHT...Partly cloudy. Lows in the 30s to lower 40s. .TUESDAY...Partly cloudy. Highs in the mid 50s to lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .WEDNESDAY...Mostly clear. Highs in the upper 60s to mid 70s. .THURSDAY...Partly cloudy with a chance of rain. Lows in the 40s. Highs in the upper 60s to mid 70s. .FRIDAY...Mostly cloudy. Lows in the 40s. Highs in the upper 60s to mid 70s. .SATURDAY...Mostly cloudy. Lows in the 40s. Highs in the 60s. $$