The 10-day span for Helena runs from a high near 82° on Monday down to 40° overnight on Tuesday. About 2.1 in of precipitation is expected in total; the most likely wet day is Saturday (93% chance). Wind is the one to watch: gusts to 48 mph around Saturday. No active NWS alerts at the moment — quiet on the hazards front. Right now Helena is about 24° cooler than nearby Kalispell. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Helena, MT · Elev 4,058 ft · 46.59°N, 112.04°W · Montana · Forecast computed for these exact coordinates