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Helena, MT Weather Forecast
Helena, MT Weather Forecast Date: 336 AM MDT Sun Sep 13 2026
The area/counties/county of: Helena Valley, including the city of Helena.or toggle through each period.
Today... Mostly sunny. A 20% chance of rain showers late in the afternoon. Highs in the lower 70s. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon.
Tonight... Mostly cloudy with a 50% chance of rain showers. Lows in the lower 40s. Northwest winds 10 to 15 mph shifting to the southwest 5 to 10 mph after midnight.
Monday... Breezy. Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 60s. West winds 15 to 25 mph with gusts to around 40 mph.
Monday Night... Mostly clear. Lows in the upper 30s. West winds 5 to 10 mph with gusts to around 25 mph shifting to the southwest after midnight.
Tuesday... Mostly sunny. Highs in the upper 60s. South winds up to 5 mph shifting to the northeast in the afternoon.
Tuesday Night... Mostly cloudy. A 20% chance of rain showers after midnight. Lows in the lower 40s.
Wednesday... Mostly sunny. Highs in the upper 60s.
Wednesday Night... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
Thursday... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
Friday... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
POP = Probability of Precipitation
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