The 10-day span for Great Falls runs from a high near 97° on Saturday down to 50° overnight on Saturday. About 0.17 in of precipitation is expected in total; the most likely wet day is Saturday (57% chance). Expect a blustery spell — gusts near 31 mph on Tuesday. The NWS alert board for this area is currently clear. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Great Falls, MT · Elev 3,330 ft · 47.50°N, 111.30°W · Montana · Forecast computed for these exact coordinates