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.

Light Snow

22°F

-6°C

Humidity 94%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 21°F (-6°C)
Visibility 2.50 mi
Last update 2 Dec 11:15 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Snow. Low around 5. Wind chill values as low as -7. South southwest wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 5 °F

    Snow

  • Wednesday

    Wednesday: Snow. Temperature falling to around 0 by 5pm. Wind chill values as low as -15. East southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 7 °F⇓

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 8pm. Partly cloudy, with a low around -1. Wind chill values as low as -21. Breezy, with a south wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: -1 °F

    Snow Likely
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 7. Wind chill values as low as -22. Windy, with a west wind 20 to 26 mph, with gusts as high as 40 mph.

    High: 7 °F

    Patchy
    Blowing Snow
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 2. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.

    Low: 2 °F

    Chance Snow
    and Windy

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 13. Windy.

    High: 13 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 7. Windy. Chance of precipitation is 60%.

    Low: 7 °F

    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 14. Very windy.

    High: 14 °F

    Snow Likely
    and Very
    Windy

  • Saturday Night

    Saturday Night: Snow. Cloudy, with a low around 10. Windy.

    Low: 10 °F

    Snow and
    Windy

Detailed Forecast

Tonight
Snow. Low around 5. Wind chill values as low as -7. South southwest wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. Temperature falling to around 0 by 5pm. Wind chill values as low as -15. East southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before 8pm. Partly cloudy, with a low around -1. Wind chill values as low as -21. Breezy, with a south wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 7. Wind chill values as low as -22. Windy, with a west wind 20 to 26 mph, with gusts as high as 40 mph.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 2. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 13. Windy.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 7. Windy. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 14. Very windy.
Saturday Night
Snow. Cloudy, with a low around 10. Windy.
Sunday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 13. Windy.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 6. Windy.
Monday
A chance of snow. Partly sunny, with a high near 14. Windy.
Monday Night
Mostly cloudy, with a low around 8. Windy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 18. Very windy.
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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:
10:11 pm MST Dec 2, 2025
Forecast Valid:
11pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

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Chance of Precipitation