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

43°F

6°C

Humidity 48%
Wind Speed SW 14 G 25 mph
Barometer 30.00 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 24 Feb 6:15 pm MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

Winter Weather Advisory February 25, 12:00am until February 26, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely. The snow could be heavy at times. Widespread blowing snow, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 24. Very windy, with a west wind 28 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday

    Wednesday: Snow. Widespread blowing snow. High near 24. Very windy, with a west wind 29 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow and
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Widespread blowing snow. Low around 12. Wind chill values as low as -8. Windy, with a west wind 28 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow before 11am. Widespread blowing snow, mainly before 11am. Mostly sunny, with a high near 19. Wind chill values as low as -10. Windy, with a west wind 30 to 32 mph, with gusts as high as 50 mph. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Patchy blowing snow. Partly cloudy, with a low around 11. Windy, with a west wind around 29 mph, with gusts as high as 47 mph.

    Low: 11 °F

    Patchy
    Blowing Snow
    and Windy

  • Friday

    Friday: Patchy blowing snow. Mostly sunny, with a high near 25. Windy.

    High: 25 °F

    Patchy
    Blowing Snow
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16. Windy.

    Low: 16 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 27. Windy.

    High: 27 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Chance Snow
    and Breezy

Detailed Forecast

Tonight
Snow likely. The snow could be heavy at times. Widespread blowing snow, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 24. Very windy, with a west wind 28 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. Widespread blowing snow. High near 24. Very windy, with a west wind 29 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 12. Wind chill values as low as -8. Windy, with a west wind 28 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
A 30 percent chance of snow before 11am. Widespread blowing snow, mainly before 11am. Mostly sunny, with a high near 19. Wind chill values as low as -10. Windy, with a west wind 30 to 32 mph, with gusts as high as 50 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Patchy blowing snow. Partly cloudy, with a low around 11. Windy, with a west wind around 29 mph, with gusts as high as 47 mph.
Friday
Patchy blowing snow. Mostly sunny, with a high near 25. Windy.
Friday Night
Partly cloudy, with a low around 16. Windy.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 27. Windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Breezy.
Sunday
Snow likely, mainly after 11am. Partly sunny, with a high near 29. Breezy.
Sunday Night
Snow likely. Mostly cloudy, with a low around 18.
Monday
Snow. Mostly cloudy, with a high near 26. Breezy.
Monday Night
Snow likely. Mostly cloudy, with a low around 15.
Tuesday
Snow likely. Mostly cloudy, with a high near 25. Breezy.
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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:
11:46 am MST Feb 24, 2026
Forecast Valid:
6pm MST Feb 24, 2026-6pm MST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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