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: Overcast 45°F 2025-10-15T17:30:00 Tonight 2025-10-15, Mostly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Thursday 2025-10-16, Slight Chance Rain then Mostly Sunny. A slight chance of rain between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night 2025-10-16, Mostly Clear. Mostly clear, with a low around 34. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.Friday 2025-10-17, Mostly Sunny then Slight Chance Rain. A 20 percent chance of rain after noon. Mostly sunny, with a high near 56. West southwest wind 7 to 14 mph, with gusts as high as 26 mph.
Friday Night 2025-10-17, Chance Rain. A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 31. West wind 9 to 14 mph, with gusts as high as 26 mph.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 56. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 38. South wind 6 to 13 mph, with gusts as high as 24 mph.
Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 61. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Sunday Night 2025-10-19, Chance Rain. A chance of rain. Mostly cloudy, with a low around 33.Monday 2025-10-20, Chance Rain/Snow then Chance Rain. A chance of rain and snow before noon, then a chance of rain. Partly sunny, with a high near 49.
Monday Night 2025-10-20, Slight Chance Rain then Partly Cloudy. A slight chance of rain. Partly cloudy, with a low around 27.
- Tuesday 2025-10-21, Mostly Sunny. Mostly sunny, with a high near 53.
Tuesday Night 2025-10-21, Mostly Cloudy. Mostly cloudy, with a low around 31.- Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 54.