I-90 weather conditions near Butte, Montana
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7 day weather forecast
Current condition: Overcast 36°F 2025-10-15T20:30:00 Tonight 2025-10-15, Cloudy then Chance Rain. A 30 percent chance of rain, mainly after 5am. Snow level 8100 feet lowering to 6300 feet after midnight . Cloudy, with a low around 32. Calm wind becoming west northwest around 6 mph after midnight.
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. Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 3 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 27. West wind 6 to 9 mph.
Friday 2025-10-17, Frost then Mostly Sunny. Widespread frost before 10am. Otherwise, mostly sunny, with a high near 54. West wind 8 to 18 mph, with gusts 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 26. West wind 10 to 16 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 52.
Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 33.
Sunday 2025-10-19, Rain Likely. Rain likely, mainly after noon. Partly sunny, with a high near 58.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 then Chance Rain/Snow. A chance of snow before 3pm, then a chance of rain. Partly sunny, with a high near 45.
- 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 50.
Tuesday Night 2025-10-21, Mostly Cloudy then Frost. Widespread frost. Otherwise, mostly cloudy, with a low around 26.- Wednesday 2025-10-22, Frost then Mostly Sunny. Widespread frost. Otherwise, mostly sunny, with a high near 51.