WINTER WEATHER ADVISORY through Saturday for the Flathead and Mission Valleys, including Kalispell and Polson. Very light rain, freezing and snow are possible creating slick roadways. Up to one inch of snow is possible.
WINTER WEATHER ADVISORY for most passes across western Montana and the West Yellowstone area for Friday night and Saturday. 3 to 10 inches of snow are possible in these areas.
A wave of Pacific moisture will bring a continued chance of very light rain, freezing rain and snow across mainly northwest Montana through Friday. Cloudy elsewhere. Lows in the 10s in Butte to the 20s in Missoula, Bozeman and Kalispell. Milder air will warm highs above freezing to the 30s to lower 40s on Friday.
A strong Pacific cold front will enter the region late Friday night and Saturday. Widespread valley rain and mountain snow will develop. Snow may be heavy at the passes. Highs Saturday in the upper 30s to lower 40s. It appears most of the rain will occur prior to the big game in Missoula Saturday afternoon.
Behind the front, snow levels will drop back to the valley floors Saturday night and Sunday with a few flurries and snow showers. Highs will drop to the low to mid 30s. A chance of snow next week with highs falling back to the 20s to lower 30s.