Weather forecast for: St. Regis MT
Last Update: 12:22 am MDT Sep 11, 2026
Overnight: Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am. Low around 48. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: Increasing clouds, with a high near 70. Calm wind.
Friday Night: Mostly cloudy, with a low around 44. Calm wind.
Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Light and variable wind.
Saturday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 44. Light northeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday: Rain. High near 56. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night: Rain. Low around 41. Chance of precipitation is 80%.
Monday: A slight chance of rain before noon. Mostly cloudy, with a high near 63.
Monday Night: Partly cloudy, with a low around 40.
Tuesday: Mostly sunny, with a high near 67.
Tuesday Night: Partly cloudy, with a low around 43.
Wednesday: Sunny, with a high near 69.
Wednesday Night: Mostly clear, with a low around 43.
Thursday: Sunny, with a high near 75.
WeatherWorld.com
