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Helena, MT Weather Forecast
Helena, MT Weather Forecast Date: 1232 PM MDT Sat Oct 31 2026
The area/counties/county of: Helena Valley, including the city of Helena.or toggle through each period.
Rest of Today... Mostly cloudy. Near steady temperature in the mid 40s. South winds up to 5 mph.
Tonight... Mostly cloudy. Chance of drizzle in the evening. Patchy fog through the night. Lows in the mid 30s. Southwest winds up to 5 mph.
Sunday... Patchy fog in the morning. Chance of rain and drizzle in the morning, then rain in the afternoon. Highs in the lower 40s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. Chance of rain near 100%.
Sunday Night... Cloudy. Rain in the evening, then chance of rain after midnight. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 90%.
Monday... Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the upper 40s. West winds up to 5 mph.
Monday Night... Mostly clear. Lows in the upper 20s.
Tuesday... Mostly cloudy. Highs in the lower 50s. Lows around 30.
Tuesday Night... Mostly cloudy. Highs in the lower 50s. Lows around 30.
Wednesday... Partly cloudy. Highs in the lower 50s. Lows around 30.
Thursday... Partly cloudy. Highs in the lower 50s. Lows around 30.
POP = Probability of Precipitation
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