FLUS45 KMSO 061821 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 1221 PM MDT Wed May 6 2026 MTZ001>007-043-071500- West of the Continental Divide- National Weather Service Missoula MT 1221 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows in the upper 30s to mid 40s. .THURSDAY...Partly cloudy with a slight chance of rain. Highs in the upper 60s to mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Mostly cloudy. Highs in the upper 60s to mid 70s. .SATURDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s to mid 70s. .SUNDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the upper 70s to mid 80s. .MONDAY...Partly cloudy. Lows in the 40s. Highs in the mid 70s to lower 80s. $$