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

26°F

-3°C

Humidity 58%
Wind Speed NE 5 mph
Barometer 30.45 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 13 Dec 9:15 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Blustery, with a west northwest wind around 18 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Breezy, with a west northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 29 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 28. Blustery, with a west northwest wind around 17 mph, with gusts as high as 28 mph.

    High: 28 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Blustery, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph.

    Low: 16 °F

    Partly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Breezy.

    High: 25 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. Windy.

    Low: 18 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of snow, mainly after 11am. Partly sunny, with a high near 24. Very windy.

    High: 24 °F

    Chance Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 8. Very windy.

    Low: 8 °F

    Snow Likely
    and Very
    Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. Blustery, with a west northwest wind around 18 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 29. Breezy, with a west northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 19. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 28. Blustery, with a west northwest wind around 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 16. Blustery, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph.
Tuesday
Mostly sunny, with a high near 25. Breezy.
Tuesday Night
Partly cloudy, with a low around 18. Windy.
Wednesday
A chance of snow, mainly after 11am. Partly sunny, with a high near 24. Very windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 8. Very windy.
Thursday
A chance of snow. Partly sunny, with a high near 22. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Windy.
Friday
A chance of snow. Partly sunny, with a high near 27. Very windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 16. Windy.
Saturday
A chance of snow. Partly sunny, with a high near 22. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
2:31 pm MST Dec 13, 2025
Forecast Valid:
9pm MST Dec 13, 2025-6pm MST Dec 20, 2025
 
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Additional Resources

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