Tuesday will be a very nice day across western Montana. Get out and enjoy it because another very unsettled and wet weather pattern will develop the middle and latter parts of this week. High pressure will bring clearing skies to the region tonight. Lingering evening sprinkles and showers around Bozeman and Butte. Lows in the upper 30s to lower 40s. Partly to mostly sunny and warm Tuesday with highs in the 70s.
A large storm system will move into the Pacific northwest Wednesday and remain nearly stationary through Friday. It will bring clouds and a few periods of showers and storms. A few strong thunderstorms are possible Wednesday. Highs will drop to the 50s in Kalispell and the 60s elsewhere on Wednesday, dropping to the 50s to lower 60s Thursday and Friday.