I-90 weather conditions near Butte, Montana
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7 day weather forecast
Current condition: Overcast 34°F 2025-10-15T23:15:00 
Tonight 2025-10-15, Chance Rain/Snow. A slight chance of rain between 3am and 5am, then a chance of rain and snow. Snow level 7400 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 32. Northwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.Thursday 2025-10-16, Chance Rain/Snow then Mostly Sunny. A chance of rain and snow, mainly before 9am. Snow level 5800 feet rising to 7000 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night 2025-10-16, Mostly Clear. Mostly clear, with a low around 28. West wind 7 to 9 mph.Friday 2025-10-17, Frost then Slight Chance Rain. A 20 percent chance of rain after noon. Widespread frost before 10am. Snow level rising to 6900 feet in the afternoon. Otherwise, mostly sunny, with a high near 54. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night 2025-10-17, Chance Rain/Snow then Partly Cloudy. A chance of rain, mixing with snow after 9pm, then gradually ending. Snow level 6800 feet lowering to 5500 feet after midnight . Partly cloudy, with a low around 27. West wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday 2025-10-18, Frost then Sunny. Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 51.
Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 34.
Sunday 2025-10-19, Rain Likely. Rain likely, mainly after noon. Partly sunny, with a high near 57.Sunday Night 2025-10-19, Rain Likely then Chance Rain/Snow. Rain likely before midnight, then a chance of rain and snow. Snow level 7300 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 30.
Monday 2025-10-20, Chance Snow. A chance of snow. Partly sunny, with a high near 44.- Monday Night 2025-10-20, Partly Cloudy then Frost. Widespread frost. Otherwise, partly cloudy, with a low around 23.
Tuesday 2025-10-21, Frost then Mostly Sunny. Widespread frost. Otherwise, mostly sunny, with a high near 49.
Tuesday Night 2025-10-21, Mostly Cloudy then Frost. Widespread frost. Otherwise, mostly cloudy, with a low around 27.- Wednesday 2025-10-22, Frost then Mostly Sunny. Widespread frost. Otherwise, mostly sunny, with a high near 51.