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.

Overcast

37°F

3°C

Humidity 60%
Wind Speed SW 7 mph
Barometer 30.17 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Dec 4:55 pm MST
Extended Forecast for

4 Miles W Saint Marys Glacier CO

High Wind Warning December 9, 05:08pm until December 10, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 05:08pm until December 10, 12:00am

    NOW until 12:00am Wed

    High Wind Warning

  • This Afternoon

    High: 28 °F

    Chance Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Snow likely, mainly after 11pm. Widespread blowing snow, mainly before 4am. Mostly cloudy, with a low around 17. Very windy, with a west northwest wind 29 to 39 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow Likely
    and Blowing
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Widespread blowing snow, mainly after 4pm. Partly sunny, with a steady temperature around 20. Wind chill values as low as -2. Very windy, with a west wind 29 to 37 mph, with gusts as high as 65 mph. New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow
    and Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow. Mostly cloudy, with a low around 18. Very windy, with a west wind 31 to 37 mph, with gusts as high as 60 mph.

    Low: 18 °F

    Areas Blowing
    Snow and Very
    Windy

  • Thursday

    Thursday: Patchy blowing snow before 11am. Mostly sunny, with a high near 24. Windy, with a west wind 28 to 31 mph, with gusts as high as 44 mph.

    High: 24 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Windy.

    Low: 15 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 24. Breezy.

    High: 24 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13. Windy.

    Low: 13 °F

    Partly Cloudy
    and Windy

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a high near 28. Very windy, with a west wind around 39 mph, with gusts as high as 70 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 11pm. Widespread blowing snow, mainly before 4am. Mostly cloudy, with a low around 17. Very windy, with a west northwest wind 29 to 39 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 40 percent chance of snow. Widespread blowing snow, mainly after 4pm. Partly sunny, with a steady temperature around 20. Wind chill values as low as -2. Very windy, with a west wind 29 to 37 mph, with gusts as high as 65 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Areas of blowing snow. Mostly cloudy, with a low around 18. Very windy, with a west wind 31 to 37 mph, with gusts as high as 60 mph.
Thursday
Patchy blowing snow before 11am. Mostly sunny, with a high near 24. Windy, with a west wind 28 to 31 mph, with gusts as high as 44 mph.
Thursday Night
Partly cloudy, with a low around 15. Windy.
Friday
Mostly sunny, with a high near 24. Breezy.
Friday Night
Partly cloudy, with a low around 13. Windy.
Saturday
Mostly sunny, with a high near 22. Windy.
Saturday Night
Partly cloudy, with a low around 16. Breezy.
Sunday
Mostly sunny, with a high near 26. Breezy.
Sunday Night
Partly cloudy, with a low around 15. Breezy.
Monday
Mostly sunny, with a high near 23. Breezy.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 19. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Marys Glacier CO
 39.84°N 105.72°W (Elev. 12260 ft)
Last Update:
2:02 pm MST Dec 9, 2025
Forecast Valid:
5pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation