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 36°F 2025-10-14T14:45:00 
This Afternoon 2025-10-14, Slight Chance Rain. A 20 percent chance of rain before 3pm. Partly sunny, with a high near 37. North northwest wind 3 to 5 mph.Tonight 2025-10-14, Mostly Cloudy then Slight Chance Rain/Snow and Patchy Fog. A slight chance of rain and snow before 3am, then a slight chance of rain and snow after 5am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 29. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday 2025-10-15, Chance Rain/Snow and Patchy Fog then Chance Rain. A chance of rain and snow between 7am and 10am, then a chance of rain after 10am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. Light west wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night 2025-10-15, Rain Likely. Rain likely, mainly after midnight. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%.
Thursday 2025-10-16, Rain Likely. Rain likely, mainly before noon. Mostly cloudy, with a high near 53. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.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 35. West southwest wind 6 to 11 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 9 to 11 mph, with gusts as high as 23 mph.
Friday Night 2025-10-17, Chance Rain. A chance of rain. Mostly cloudy, with a low around 35. West wind around 10 mph, with gusts as high as 23 mph.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 58.Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain after midnight. Partly cloudy, with a low around 40.
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 37.
- Monday 2025-10-20, Rain Likely. Rain likely. Mostly cloudy, with a high near 52.