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: Clear 72°F 2025-10-08T18:15:00 
Tonight 2025-10-08, Mostly Clear. Mostly clear, with a low around 37. South southwest wind around 6 mph becoming calm after midnight.
Thursday 2025-10-09, Sunny. Sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.- Thursday Night 2025-10-09, Mostly Clear. Mostly clear, with a low around 39. North northwest wind around 6 mph becoming calm in the evening.
- Friday 2025-10-10, Sunny. Sunny, with a high near 77. Light south southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night 2025-10-10, Mostly Clear then Chance Rain. A 30 percent chance of rain after midnight. Partly cloudy, with a low around 48. South wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday 2025-10-11, Rain Likely. Rain likely. Mostly cloudy, with a high near 66. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 70%.
Saturday Night 2025-10-11, Rain Likely. Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.Sunday 2025-10-12, Rain Likely then Chance Rain/Snow. Rain likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 50. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night 2025-10-12, Chance Rain/Snow. A chance of rain and snow before 3am, then a chance of snow. Mostly cloudy, with a low around 29.Columbus Day 2025-10-13, Chance Snow then Chance Rain/Snow. A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 42.
- Monday Night 2025-10-13, Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday 2025-10-14, Slight Chance Rain/Snow. A slight chance of rain and snow. Partly sunny, with a high near 47.- Tuesday Night 2025-10-14, Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 31.
- Wednesday 2025-10-15, Chance Rain/Snow. A chance of rain and snow. Partly sunny, with a high near 47.