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 2025-10-15, Areas Frost and Patchy Fog then Patchy Fog. Patchy fog before midnight, then patchy fog after 1am. Areas of frost between 11pm and midnight. Otherwise, cloudy early, then gradual clearing, with a low around 31. Calm wind.
Thursday 2025-10-16, Patchy Fog then Sunny. Patchy fog before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night 2025-10-16, Increasing Clouds then Frost. Widespread frost, mainly after 1am. Otherwise, increasing clouds, with a low around 28. West southwest wind 3 to 6 mph.
Friday 2025-10-17, Slight Chance Rain/Snow then Chance Rain. A slight chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 56. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night 2025-10-17, Chance Rain then Slight Chance Rain. A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 27. West wind 5 to 11 mph, with gusts as high as 24 mph.
Saturday 2025-10-18, Frost then Mostly Sunny. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 58.
Saturday Night 2025-10-18, Slight Chance Rain then Chance Rain. A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35.
Sunday 2025-10-19, Rain. Rain. Cloudy, with a high near 57.
Sunday Night 2025-10-19, Rain. Rain. Cloudy, with a low around 34.
Monday 2025-10-20, Rain Likely. Rain likely, mainly before noon. Mostly cloudy, with a high near 50.
Monday Night 2025-10-20, Slight Chance Rain then Slight Chance Rain/Snow. A slight chance of rain and snow. Mostly cloudy, with a low around 28.
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 52.
Tuesday Night 2025-10-21, Slight Chance Rain then Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday 2025-10-22, Slight Chance Rain/Snow then Mostly Sunny. A slight chance of rain and snow. Partly sunny, with a high near 56.