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 28°F 2025-12-23T21:15:00 
Tonight 2025-12-23, Increasing Clouds. Increasing clouds, with a low around 29. South wind 3 to 6 mph.
Wednesday 2025-12-24, Partly Sunny. Partly sunny, with a high near 50. Light and variable wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night 2025-12-24, Rain. Rain, mainly after 10pm. Low around 35. South southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%.Christmas Day 2025-12-25, Chance Rain then Mostly Sunny. A 40 percent chance of rain before 11am. Partly sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night 2025-12-25, Slight Chance Rain. A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 31. South wind around 7 mph.
Friday 2025-12-26, Chance Rain/Snow. A chance of rain before 8am, then a chance of rain and snow. Mostly cloudy, with a high near 45. Southwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.Friday Night 2025-12-26, Chance Rain/Snow then Chance Snow. A slight chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 18. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday 2025-12-27, Chance Snow then Partly Sunny. A chance of snow before 11am. Partly sunny, with a high near 30. North northwest wind 7 to 13 mph, with gusts as high as 28 mph.
- Saturday Night 2025-12-27, Mostly Cloudy. Mostly cloudy, with a low around 14.
- Sunday 2025-12-28, Partly Sunny. Partly sunny, with a high near 37.
Sunday Night 2025-12-28, Partly Cloudy. Partly cloudy, with a low around 21.- Monday 2025-12-29, Partly Sunny. Partly sunny, with a high near 43.
- Monday Night 2025-12-29, Mostly Cloudy. Mostly cloudy, with a low around 27.
- Tuesday 2025-12-30, Partly Sunny. Partly sunny, with a high near 46.