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: light snow,mist 30°F 2025-10-13T00:15:00 - Overnight 2025-10-13, Snow. Snow. Low around 24. North northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Columbus Day 2025-10-13, Snow Likely then Slight Chance Snow. Snow likely before 2pm, then a slight chance of snow after 3pm. Cloudy, with a high near 34. North northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night 2025-10-13, Chance Snow. A 30 percent chance of snow, mainly after midnight. Cloudy, with a low around 27. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Little or no snow accumulation expected.Tuesday 2025-10-14, Chance Rain/Snow then Slight Chance Rain. A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a slight chance of rain after noon. Mostly cloudy, with a high near 45. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night 2025-10-14, Chance Rain. A 50 percent chance of rain. Mostly cloudy, with a low around 32. North wind around 6 mph becoming calm in the evening.
Wednesday 2025-10-15, Rain Likely. Rain likely. Mostly cloudy, with a high near 46. Light northwest wind. Chance of precipitation is 70%.
Wednesday Night 2025-10-15, Rain Likely. Rain likely. Mostly cloudy, with a low around 34. West southwest wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday 2025-10-16, Rain Likely. Rain likely, mainly before noon. Partly sunny, with a high near 50. West southwest wind 5 to 7 mph.
Thursday Night 2025-10-16, Chance Rain. A chance of rain, mainly before midnight. Partly cloudy, with a low around 34.- Friday 2025-10-17, Chance Rain. A chance of rain. Partly sunny, with a high near 53.
- Friday Night 2025-10-17, Chance Rain. A chance of rain. Mostly cloudy, with a low around 33.
Saturday 2025-10-18, Chance Rain then Mostly Sunny. A chance of rain. Mostly sunny, with a high near 54.
Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 34.
- Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 59.