National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

18°F

-8°C

Humidity 74%
Wind Speed Calm
Barometer 30.33 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 1 Nov 5:35 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 30. Wind chill values as low as zero. Blustery, with a west northwest wind 18 to 20 mph, with gusts as high as 31 mph.

    High: 30 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 26. Blustery, with a west northwest wind 17 to 20 mph, with gusts as high as 34 mph.

    Low: 26 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 39. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.

    High: 39 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. West wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Breezy.

    Low: 27 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Breezy.

    High: 36 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Breezy.

    Low: 24 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 30. Wind chill values as low as zero. Blustery, with a west northwest wind 18 to 20 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 26. Blustery, with a west northwest wind 17 to 20 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 39. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 26. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 40. West wind 9 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 27. Breezy.
Tuesday
Sunny, with a high near 36. Breezy.
Tuesday Night
Mostly clear, with a low around 24. Breezy.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 23. Breezy.
Thursday
A slight chance of snow showers. Partly sunny, with a high near 28. Windy.
Thursday Night
Partly cloudy, with a low around 21. Breezy.
Friday
Mostly sunny, with a high near 29. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
4:26 am MDT Nov 1, 2025
Forecast Valid:
5am MDT Nov 1, 2025-6pm MST Nov 7, 2025
 
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