| NWS Forecast for: 3 Miles W Saint Marys Glacier CO Issued by: National Weather Service Denver-Boulder, CO Last Update: 12:46 pm MDT Oct 10, 2026 |  |
| Tonight: A 20 percent chance of snow showers before 3am. Mostly cloudy, with a low around 2. West southwest wind 21 to 23 km/h, with gusts as high as 39 km/h. Sunday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 8. West wind 16 to 21 km/h becoming south southeast in the afternoon. Winds could gust as high as 42 km/h. Sunday Night: Partly cloudy, with a low around 1. Breezy, with a southwest wind 14 to 24 km/h increasing to 24 to 34 km/h after midnight. Winds could gust as high as 70 km/h. Columbus Day: Sunny, with a high near 7. Breezy, with a west wind 29 to 34 km/h decreasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 70 km/h. Monday Night: Mostly clear, with a low around 0. West southwest wind 13 to 16 km/h, with gusts as high as 32 km/h. Tuesday: A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 5. Breezy. Tuesday Night: Snow showers likely. Mostly cloudy, with a low around -4. Chance of precipitation is 70%. Wednesday: Snow showers. Mostly cloudy, with a high near -2. Breezy. Wednesday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around -5. Blustery. Thursday: A slight chance of snow showers. Mostly sunny, with a high near -1. Breezy. Thursday Night: A chance of snow showers. Mostly cloudy, with a low around -6. Friday: A chance of snow showers. Mostly sunny, with a high near 0. Friday Night: A slight chance of snow showers. Mostly clear, with a low around -4. Saturday: Sunny, with a high near 4. | |
| 3 Miles W Saint Marys Glacier CO 39.84°N 105.69°W (Elev. 12507 m) | |
Visit your local NWS office at: https://www.weather.gov/bou |
