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

27°F

-3°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 30.29 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 26 Feb 10:55 pm MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as -9. Windy, with a west wind 25 to 28 mph, with gusts as high as 45 mph.

    Low: 11 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 24. Wind chill values as low as -10. Windy, with a west wind 28 to 32 mph, with gusts as high as 50 mph.

    High: 24 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. Wind chill values as low as -4. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph.

    Low: 15 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Increasing clouds, with a high near 28. Wind chill values as low as -2. Breezy, with a west wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 28 °F

    Increasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 17. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy.

    High: 28 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Wind chill values as low as -9. Windy, with a west wind 25 to 28 mph, with gusts as high as 45 mph.
Friday
Sunny, with a high near 24. Wind chill values as low as -10. Windy, with a west wind 28 to 32 mph, with gusts as high as 50 mph.
Friday Night
Mostly clear, with a low around 15. Wind chill values as low as -4. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph.
Saturday
Increasing clouds, with a high near 28. Wind chill values as low as -2. Breezy, with a west wind 18 to 23 mph, with gusts as high as 37 mph.
Saturday Night
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 17. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 60%.
Sunday Night
Snow likely. Cloudy, with a low around 16. Chance of precipitation is 60%.
Monday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy.
Monday Night
Snow likely. Mostly cloudy, with a low around 15.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 24. Breezy.
Tuesday Night
Snow. Cloudy, with a low around 14.
Wednesday
Snow likely. Mostly cloudy, with a high near 25. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 13. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 24. Breezy.
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Forecast Area
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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 am MST Feb 26, 2026
Forecast Valid:
11pm MST Feb 26, 2026-6pm MST Mar 5, 2026
 
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