I-90 weather conditions near Frenchtown, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Tonight 2025-10-14, Patchy Frost then Frost and Patchy Fog. Patchy fog after 4am. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Calm wind.
Wednesday 2025-10-15, Frost and Patchy Fog then Mostly Sunny. Patchy fog before 11am. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Wednesday Night 2025-10-15, Partly Cloudy then Slight Chance Rain/Snow. A slight chance of rain after midnight, mixing with snow after 3am. Partly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Thursday 2025-10-16, Frost and Patchy Fog then Sunny. Patchy fog before 10am. Widespread frost before 11am. Otherwise, sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night 2025-10-16, Partly Cloudy then Frost. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 29. West southwest wind 3 to 6 mph.
Friday 2025-10-17, Chance Rain/Snow then Chance Rain. A chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night 2025-10-17, Chance Rain. A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday 2025-10-18, Areas Frost then Mostly Sunny. Areas of frost before 10am. Otherwise, mostly sunny, with a high near 59.
Saturday Night 2025-10-18, Chance Rain. A chance of rain. Mostly cloudy, with a low around 38.
Sunday 2025-10-19, Rain. Rain. Mostly cloudy, with a high near 58.
Sunday Night 2025-10-19, Rain. Rain. Mostly cloudy, with a low around 34.
Monday 2025-10-20, Rain Likely. Rain likely. Mostly cloudy, with a high near 50.
Monday Night 2025-10-20, Chance Rain then Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 27.
Tuesday 2025-10-21, Slight Chance Rain/Snow then Slight Chance Rain. A slight chance of rain and snow. Partly sunny, with a high near 49.