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

10°F

-12°C

Humidity 87%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 2 Dec 3:55 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Today

    Today: A 50 percent chance of snow, mainly after 7am. Increasing clouds, with a high near 14. Wind chill values as low as -13. Windy, with a west wind 22 to 26 mph, with gusts as high as 40 mph. Total daytime snow accumulation of around an inch possible.

    High: 14 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow. Low around 4. Wind chill values as low as -8. Blustery, with a west northwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow and
    Blustery

  • Wednesday

    Wednesday: Snow. High near 8. Wind chill values as low as -21. East northeast wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 8 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -26. Breezy, with a west wind 9 to 16 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: -5 °F

    Chance Snow
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 7. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 7 °F

    Cold and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 3. Breezy.

    Low: 3 °F

    Chance Snow
    and Breezy

  • Friday

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

    High: 11 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow. Mostly cloudy, with a high near 14. Windy.

    High: 14 °F

    Snow and
    Windy

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 7am. Increasing clouds, with a high near 14. Wind chill values as low as -13. Windy, with a west wind 22 to 26 mph, with gusts as high as 40 mph. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. Low around 4. Wind chill values as low as -8. Blustery, with a west northwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. High near 8. Wind chill values as low as -21. East northeast wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -26. Breezy, with a west wind 9 to 16 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny and cold, with a high near 7. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 3. Breezy.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 11. Breezy. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. Windy.
Saturday
Snow. Mostly cloudy, with a high near 14. Windy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 10. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 14. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 14. 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)
Last Update:
3:26 am MST Dec 2, 2025
Forecast Valid:
4am MST Dec 2, 2025-6pm MST Dec 8, 2025
 
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