I-90 weather conditions near Saint Regis, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Tonight 2025-12-12, Areas Fog. Areas of fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 35. West wind 5 to 8 mph, with gusts as high as 22 mph.
• Saturday 2025-12-13, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 48. Light and variable wind.
• Saturday Night 2025-12-13, Partly Cloudy. Partly cloudy, with a low around 33. Light and variable wind.
• Sunday 2025-12-14, Mostly Sunny. Mostly sunny, with a high near 49. South southwest wind 3 to 6 mph.
• Sunday Night 2025-12-14, Mostly Cloudy. Mostly cloudy, with a low around 34. South southwest wind 3 to 5 mph.
• Monday 2025-12-15, Rain Likely. Rain likely, mainly after 11am. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
• Monday Night 2025-12-15, Rain. Rain. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
• Tuesday 2025-12-16, Rain. Rain. Mostly cloudy, with a high near 45.
• Tuesday Night 2025-12-16, Rain then Rain/Snow. Rain before 2am, then rain and snow. Cloudy, with a low around 29.
• Wednesday 2025-12-17, Rain/Snow then Snow Likely. Rain and snow, becoming all snow after 8am. Mostly cloudy, with a high near 36.
• Wednesday Night 2025-12-17, Snow Likely. Snow likely. Mostly cloudy, with a low around 26.
• Thursday 2025-12-18, Snow then Rain/Snow. Rain and snow. Mostly cloudy, with a high near 38.
• Thursday Night 2025-12-18, Rain/Snow. Rain and snow. Snow level 3900 feet rising to 4400 feet after midnight. Cloudy, with a low around 28.
• Friday 2025-12-19, Rain/Snow. Rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 38.