7-Day Forecast 39.84°N 105.69°W (Text-Only)
NWS Forecast for: 3 Miles W Saint Marys Glacier CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 12:46 am MDT Oct 15, 2026


Overnight: Snow showers likely. Cloudy, with a low around -6. West northwest wind 21 to 23 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. Total nighttime snow accumulation of 9 to 13 centimeters possible.

Thursday: Snow showers, mainly before noon. High near -4. Blustery, with a northwest wind 14 to 24 km/h becoming northeast in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 80%. New snow accumulation of 4 to 8 centimeters possible.

Thursday Night: Mostly clear, with a low around -12. North northeast wind 13 to 18 km/h becoming west northwest in the evening. Winds could gust as high as 29 km/h.

Friday: Sunny, with a high near 2. North wind 8 to 14 km/h becoming south southwest in the afternoon. Winds could gust as high as 24 km/h.

Friday Night: Mostly clear, with a low around -6. Breezy, with a west southwest wind 5 to 10 km/h increasing to 19 to 24 km/h in the evening. Winds could gust as high as 40 km/h.

Saturday: Sunny, with a high near 6.

Saturday Night: Mostly clear, with a low around -3. Breezy.

Sunday: Partly sunny, with a high near 4.

Sunday Night: Partly cloudy, with a low around -3.

Monday: Mostly sunny, with a high near 5.

Monday Night: Partly cloudy, with a low around -2.

Tuesday: A slight chance of snow showers. Mostly sunny, with a high near 6.

Tuesday Night: Partly cloudy, with a low around -1.

Wednesday: A chance of snow showers. Mostly sunny, with a high near 4.



3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 m)

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