A large storm system over the Pacific northwest will slowly move through western Montana through Saturday night and then into Saskatchewan by Sunday afternoon. It will rotate spokes of energy and moisture through the region, with each bringing a chance of showers. The areas that will receive the most rain will be northwest and west central Montana, including the Missoula and Kalispell areas and along the divide from Butte north to Glacier Park. The least amounts of rain will occur around Bozeman and points south and east. Some areas will receive more than a half inch of rain. There is a WINTER WEATHER ADVISORY Saturday for areas above 6500 feet, including the Bitterroot and Sapphire mountains to the Anaconda range west of Butte north along the divide to Glacier Park. These areas will receive one to four inches of snow. Outside of the precipitation, skies will be variably cloudy with autumn like temperatures. Lows in the mid 30s to mid 40s with highs in the 50s to lower 60s this weekend.
Labor Day on Monday will be partly cloudy with highs in the 60s. A warming trend next week with highs in the 70s to lower 80s by late week.
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