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 37°F 2025-10-15T05:00:00
Today 2025-10-15, Chance Rain/Snow and Patchy Fog then Chance Rain. A slight chance of rain and snow before 9am, then a chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 49. Light and variable wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight 2025-10-15, Chance Rain. A chance of rain before midnight, then a chance of rain after 1am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 50%.
Thursday 2025-10-16, Rain Likely then Chance Rain. Rain likely, mainly before noon. Partly sunny, with a high near 53. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%.
Thursday Night 2025-10-16, Partly Cloudy. Partly cloudy, with a low around 37. West southwest wind 7 to 13 mph, with gusts as high as 28 mph.
Friday 2025-10-17, Chance Rain. A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 57. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.
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. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 58. West southwest wind around 8 mph, with gusts as high as 18 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 42. South southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 62.
Sunday Night 2025-10-19, Rain Likely then Rain/Snow Likely. Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 38.
Monday 2025-10-20, Chance Rain/Snow then Chance Rain. A chance of rain and snow. Partly sunny, with a high near 51.
Monday Night 2025-10-20, Slight Chance Rain/Snow then Partly Cloudy. A slight chance of rain and snow. Partly cloudy, with a low around 32.
Tuesday 2025-10-21, Partly Sunny. Partly sunny, with a high near 51.