Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

36°F

2°C

Humidity 55%
Wind Speed W 5 mph
Barometer 30.15 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Dec 1:15 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

High Wind Warning December 9, 01:30pm until December 10, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 01:30pm 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 2am. Mostly cloudy, with a low around 21. Very windy, with a west wind 36 to 41 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 70 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely
    and Blowing
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow.  Widespread blowing snow, mainly after 2pm. Mostly cloudy, with a high near 24. Very windy, with a west wind 26 to 31 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 55 mph.  New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Chance Snow
    and Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow. Mostly cloudy, with a low around 19. Windy, with a west wind 30 to 34 mph, with gusts as high as 60 mph.

    Low: 19 °F

    Areas Blowing
    Snow and
    Windy

  • Thursday

    Thursday: Patchy blowing snow before 11am. Mostly sunny, with a high near 24. Windy, with a west wind around 30 mph, with gusts as high as 48 mph.

    High: 24 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Windy.

    Low: 14 °F

    Partly Cloudy
    and Windy

  • Friday

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

    High: 25 °F

    Mostly Sunny
    and Breezy

  • Friday Night

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

    Low: 15 °F

    Partly Cloudy
    and Windy

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Widespread blowing snow, mainly before 3pm. Partly sunny, with a high near 28. Very windy, with a west wind 44 to 46 mph, with gusts as high as 80 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 11pm. Widespread blowing snow, mainly before 2am. Mostly cloudy, with a low around 21. Very windy, with a west wind 36 to 41 mph decreasing to 25 to 30 mph after midnight. Winds could gust 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 2pm. Mostly cloudy, with a high near 24. Very windy, with a west wind 26 to 31 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 55 mph. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Areas of blowing snow. Mostly cloudy, with a low around 19. Windy, with a west wind 30 to 34 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 around 30 mph, with gusts as high as 48 mph.
Thursday Night
Partly cloudy, with a low around 14. Windy.
Friday
Mostly sunny, with a high near 25. Breezy.
Friday Night
Partly cloudy, with a low around 15. Windy.
Saturday
Mostly sunny, with a high near 24. Breezy.
Saturday Night
Partly cloudy, with a low around 15. Breezy.
Sunday
Mostly sunny, with a high near 27. Breezy.
Sunday Night
Partly cloudy, with a low around 14. Breezy.
Monday
Mostly sunny, with a high near 23. Breezy.
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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)
3:26 am MST Dec 9, 2025
1pm MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

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National Digital Forecast Database