I-15 weather conditions near Helena, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mist 16°F 2025-12-01T10:45:00 - Today 2025-12-01, Increasing Clouds. Increasing clouds, with a high near 35. West wind 6 to 8 mph, with gusts as high as 18 mph.
Tonight 2025-12-01, Chance Snow. A chance of snow before 11pm, then a chance of snow after midnight. Cloudy, with a low around 26. South southwest wind 6 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday 2025-12-02, Snow. Snow. High near 34. Southwest wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.Tuesday Night 2025-12-02, Chance Snow then Slight Chance Snow. A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 19. Northwest wind around 6 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.
Wednesday 2025-12-03, Mostly Sunny. Mostly sunny, with a high near 33. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night 2025-12-03, Mostly Cloudy. Mostly cloudy, with a low around 21. Southwest wind 6 to 8 mph.
Thursday 2025-12-04, Slight Chance Snow. A 20 percent chance of snow after 11am. Partly sunny, with a high near 37. Southwest wind 6 to 8 mph.
Thursday Night 2025-12-04, Chance Snow. A chance of snow. Mostly cloudy, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday 2025-12-05, Chance Rain/Snow. A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 42.
Friday Night 2025-12-05, Rain/Snow Likely. Rain likely, possibly mixed with snow, becoming all snow after 2am. Mostly cloudy, with a low around 25.
Saturday 2025-12-06, Snow Likely. Snow likely. Mostly cloudy, with a high near 35.- Saturday Night 2025-12-06, Chance Snow. A chance of snow. Mostly cloudy, with a low around 24.
- Sunday 2025-12-07, Slight Chance Snow. A slight chance of snow. Partly sunny, with a high near 39.