I-90 weather conditions near Frenchtown, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Today 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 55. Calm wind.
• Tonight 2025-10-18, Mostly Cloudy then Rain Likely. Rain likely, mainly after 5am. Mostly cloudy, with a low around 36. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 70%.
• Sunday 2025-10-19, Rain. Rain. High near 51. Southwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
• Sunday Night 2025-10-19, Rain. Rain. Low around 35. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
• Monday 2025-10-20, Chance Rain then Partly Sunny. A 40 percent chance of rain before noon. Mostly cloudy, with a high near 50. West southwest wind 6 to 10 mph.
• Monday Night 2025-10-20, Partly Cloudy. Partly cloudy, with a low around 28.
• Tuesday 2025-10-21, Mostly Sunny. Mostly sunny, with a high near 57.
• Tuesday Night 2025-10-21, Mostly Cloudy. Mostly cloudy, with a low around 32.
• Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 62.
• Wednesday Night 2025-10-22, Slight Chance Rain. A slight chance of rain. Mostly cloudy, with a low around 36.
• Thursday 2025-10-23, Slight Chance Rain. A slight chance of rain. Partly sunny, with a high near 60.
• Thursday Night 2025-10-23, Chance Rain. A chance of rain. Mostly cloudy, with a low around 39.
• Friday 2025-10-24, Chance Rain. A chance of rain. Partly sunny, with a high near 64.