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
Tonight 2025-10-14, Mostly Cloudy then Patchy Fog. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 26. North northwest wind around 6 mph becoming calm in the evening.
Wednesday 2025-10-15, Chance Rain/Snow and Patchy Fog then Chance Rain. A chance of snow between 7am and 9am, then a chance of rain after 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming north around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night 2025-10-15, Rain Likely. Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. Light north northwest wind. Chance of precipitation is 60%.
Thursday 2025-10-16, Chance Rain. A 50 percent chance of rain. Partly sunny, with a high near 54. Calm wind becoming west 5 to 7 mph in the afternoon.Thursday Night 2025-10-16, Slight Chance Rain then Partly Cloudy. A 20 percent chance of rain before midnight. Partly cloudy, with a low around 32. South southwest wind 7 to 14 mph, with gusts as high as 25 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 55. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Friday Night 2025-10-17, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a low around 32. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 57. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain after midnight. Partly cloudy, with a low around 38.
Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 62.
Sunday Night 2025-10-19, Chance Rain. A chance of rain. Mostly cloudy, with a low around 35.- Monday 2025-10-20, Rain Likely. Rain likely. Mostly cloudy, with a high near 53.
Monday Night 2025-10-20, Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 29.Tuesday 2025-10-21, Slight Chance Snow then Slight Chance Rain. A slight chance of rain and snow. Partly sunny, with a high near 50.