I-90 weather conditions near Frenchtown, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Today 2025-10-14, Frost then Mostly Sunny. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 51. Light east wind.
• Tonight 2025-10-14, Areas Frost then Frost and Patchy Fog. Patchy fog after 3am. Widespread frost, mainly after 1am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 25. Light and variable wind.
• Wednesday 2025-10-15, Frost and Patchy Fog then Mostly Sunny. Patchy fog before 10am. Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 56. Calm wind.
• Wednesday Night 2025-10-15, Slight Chance Rain then Slight Chance Rain/Snow. A slight chance of rain before 3am, then a slight chance of rain and snow. Partly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.
• Thursday 2025-10-16, Frost then Sunny. Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 58. Calm wind becoming west northwest around 5 mph in the afternoon.
• Thursday Night 2025-10-16, Frost. Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 28.
• Friday 2025-10-17, Slight Chance Rain/Snow then Slight Chance Rain. A slight chance of rain and snow before 9am, then a slight chance of rain. Mostly sunny, with a high near 56. Chance of precipitation is 20%.
• Friday Night 2025-10-17, Chance Rain. A chance of rain. Mostly cloudy, with a low around 30.
• Saturday 2025-10-18, Frost then Mostly Sunny. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 60.
• Saturday Night 2025-10-18, Chance Rain. A chance of rain, mainly after midnight. Mostly cloudy, with a low around 36.
• Sunday 2025-10-19, Rain Likely. Rain likely. Mostly cloudy, with a high near 60.
• Sunday Night 2025-10-19, Rain. Rain. Mostly cloudy, with a low around 32.
• Monday 2025-10-20, Rain Likely. Rain likely. Mostly cloudy, with a high near 48.