MISSOULA — High pressure building over the western United States will keep sunshine and above average temperatures in the forecast Monday and Tuesday. Expect highs both days in the 50s to middle 60s.
The high pressure ridge will begin to break down Wednesday bringing rain showers back to the forecast Wednesday and Thursday. Rain showers will primarily be seen in northwest Montana Wednesday then move into west-central and southwest Montana Thursday. Temperatures remain above average on both days topping out in the 50s.
Starting Friday and continuing into the weekend, much colder air is expected to move into the northern Rockies as a strong cold front moves through. Highs Friday will be in the 40s with valley rain and mountain snow showers. Temperatures will then continue to cool into the weekend with temperatures dropping into the 30s Saturday and 20s Sunday.
Snow also looks likely to return to all elevations this weekend, however, how much is still uncertain. We will continue to update as details become more clear in the coming days.