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

30°F

-1°C

Humidity 81%
Wind Speed E 10 mph
Barometer 30.30 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 11 Dec 3:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

High Wind Warning December 11, 03:59am until December 11, 11:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 11, 03:59am until December 11, 11:00am

    NOW until 11:00am Thu

    High Wind Warning

  • Overnight

    Low: 22 °F

    Areas Blowing
    Snow and Very
    Windy

  • Thursday

    Thursday: Patchy blowing snow. Mostly sunny, with a high near 27. Very windy, with a west northwest wind 34 to 39 mph increasing to 40 to 45 mph in the afternoon. Winds could gust as high as 65 mph.

    High: 27 °F

    Patchy
    Blowing Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Wind chill values as low as -2. Windy, with a west wind 21 to 29 mph, with gusts as high as 49 mph.

    Low: 15 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 24. Wind chill values as low as -3. Breezy, with a west wind 22 to 24 mph, with gusts as high as 40 mph.

    High: 24 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16. Windy, with a west wind 25 to 29 mph, with gusts as high as 48 mph.

    Low: 16 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Windy.

    High: 23 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. Breezy.

    Low: 16 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Breezy.

    High: 29 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
Areas of blowing snow. Partly cloudy, with a low around 22. Very windy, with a west northwest wind around 36 mph, with gusts as high as 55 mph.
Thursday
Patchy blowing snow. Mostly sunny, with a high near 27. Very windy, with a west northwest wind 34 to 39 mph increasing to 40 to 45 mph in the afternoon. Winds could gust as high as 65 mph.
Thursday Night
Partly cloudy, with a low around 15. Wind chill values as low as -2. Windy, with a west wind 21 to 29 mph, with gusts as high as 49 mph.
Friday
Mostly sunny, with a high near 24. Wind chill values as low as -3. Breezy, with a west wind 22 to 24 mph, with gusts as high as 40 mph.
Friday Night
Partly cloudy, with a low around 16. Windy, with a west wind 25 to 29 mph, with gusts as high as 48 mph.
Saturday
Mostly sunny, with a high near 23. Windy.
Saturday Night
Partly cloudy, with a low around 16. Breezy.
Sunday
Mostly sunny, with a high near 29. Breezy.
Sunday Night
Mostly cloudy, with a low around 16. Blustery.
Monday
Mostly sunny, with a high near 26. Breezy.
Monday Night
Partly cloudy, with a low around 14. Breezy.
Tuesday
Mostly sunny, with a high near 23. Breezy.
Tuesday Night
Partly cloudy, with a low around 16. Windy.
Wednesday
A chance of snow. Partly sunny, with a high near 20. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:51 am MST Dec 11, 2025
Forecast Valid:
3am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
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