I-15 weather conditions near Helena Weather, Montana
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Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 30°F 2025-10-13T12:30:00 
Columbus Day 2025-10-13, Slight Chance Snow. A 20 percent chance of snow. Cloudy, with a high near 33. North northwest wind around 11 mph, with gusts as high as 20 mph.
Tonight 2025-10-13, Slight Chance Snow. A 20 percent chance of snow. Cloudy, with a low around 26. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.Tuesday 2025-10-14, Chance Snow then Slight Chance Rain/Snow. A chance of snow before noon, then a slight chance of rain and snow between noon and 1pm, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 41. West wind 5 to 8 mph becoming north in the morning. 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 31. West northwest wind 5 to 9 mph.Wednesday 2025-10-15, Rain/Snow Likely then Rain Likely. Rain and snow likely, becoming all rain after noon. Mostly cloudy, with a high near 40. North northwest wind 3 to 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night 2025-10-15, Rain Likely. Rain likely. Mostly cloudy, with a low around 34. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 60%.
Thursday 2025-10-16, Chance Rain. A 50 percent chance of rain. Partly sunny, with a high near 50. West wind 5 to 7 mph.
Thursday Night 2025-10-16, Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 36. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.
Friday 2025-10-17, Chance Rain. A chance of rain. Partly sunny, with a high near 54.Friday Night 2025-10-17, Chance Rain then Chance Rain/Snow. A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Saturday 2025-10-18, Slight Chance Rain/Snow then Mostly Sunny. A slight chance of rain and snow. Mostly sunny, with a high near 57.
Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 40.
- Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 61.