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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

23°F

-5°C

Humidity 85%
Wind Speed E 6 mph
Barometer 30.31 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 27 Feb 4:55 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 30. Wind chill values as low as -10. Windy, with a west wind 26 to 30 mph, with gusts as high as 50 mph.

    High: 30 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 14. Wind chill values as low as -2. Windy, with a west wind 24 to 26 mph, with gusts as high as 45 mph.

    Low: 14 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Increasing clouds, with a high near 32. Wind chill values as low as -4. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.

    High: 32 °F

    Increasing
    Clouds and
    Windy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18. Breezy, with a west wind 14 to 18 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. Breezy, with a west wind 17 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Breezy. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. Some thunder is also possible. Cloudy, with a high near 21. Blustery.

    High: 21 °F

    Snow and
    Blustery

Detailed Forecast

Today
Sunny, with a high near 30. Wind chill values as low as -10. Windy, with a west wind 26 to 30 mph, with gusts as high as 50 mph.
Tonight
Mostly clear, with a low around 14. Wind chill values as low as -2. Windy, with a west wind 24 to 26 mph, with gusts as high as 45 mph.
Saturday
Increasing clouds, with a high near 32. Wind chill values as low as -4. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. Breezy, with a west wind 14 to 18 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. Breezy, with a west wind 17 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 17. Chance of precipitation is 60%.
Monday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Breezy. Chance of precipitation is 60%.
Monday Night
Snow likely. Mostly cloudy, with a low around 16.
Tuesday
Snow. Some thunder is also possible. Cloudy, with a high near 21. Blustery.
Tuesday Night
Snow likely, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 10.
Wednesday
A chance of snow. Partly sunny, with a high near 24. Breezy.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 12. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 25. 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:
11:46 pm MST Feb 26, 2026
Forecast Valid:
5am MST Feb 27, 2026-6pm MST Mar 5, 2026
 
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Additional Resources

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