FLUS45 KMSO 200621 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 1221 AM MDT Fri Mar 20 2026 MTZ001>007-043-210300- West of the Continental Divide- National Weather Service Missoula MT 1221 AM MDT Fri Mar 20 2026 .TODAY...Partly cloudy with areas of rain. Highs in the 60s to lower 70s. .TONIGHT...Mostly cloudy with a chance of rain. Lows in the lower 40s. .SATURDAY...Mostly cloudy. Rain likely in the morning, then a chance of rain in the afternoon and evening. Highs in the 50s to lower 60s. .SUNDAY...Mostly clear. Lows in the upper 20s. Highs in the upper 40s to mid 50s. .MONDAY...Mostly cloudy. Lows in the mid 20s to lower 30s. Highs in the 50s to lower 60s. .TUESDAY...Mostly cloudy with a chance of rain. Lows in the upper 20s to mid 30s. Highs in the mid 50s to lower 60s. $$