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 Rain and Breezy

38°F

3°C

Humidity 80%
Wind Speed W 21 G 39 mph
Barometer 29.99 in
Dewpoint 33°F (1°C)
Visibility 5.00 mi
Wind Chill28°F (-2°C)
Last update 25 Feb 5:35 pm MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

Winter Weather Advisory February 25, 05:53pm until February 26, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 25, 05:53pm until February 26, 12:00am

    NOW until 12:00am Thu

    Winter Weather Advisory

  • This Afternoon

    High: 21 °F

    Heavy Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Widespread blowing snow. Low around 12. Wind chill values as low as -7. Windy, with a west wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly before 3pm. Partly sunny, with a high near 20. Wind chill values as low as -10. Windy, with a west wind 30 to 34 mph, with gusts as high as 50 mph. New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Patchy blowing snow. Partly cloudy, with a low around 12. Wind chill values as low as -8. Windy, with a west wind around 29 mph, with gusts as high as 48 mph.

    Low: 12 °F

    Patchy
    Blowing Snow
    and Windy

  • Friday

    Friday: Patchy blowing snow. Mostly sunny, with a high near 25. Windy, with a west wind 29 to 33 mph, with gusts as high as 55 mph.

    High: 25 °F

    Patchy
    Blowing Snow
    and Windy

  • Friday Night

    Friday Night: Patchy blowing snow. Partly cloudy, with a low around 17. Windy.

    Low: 17 °F

    Patchy
    Blowing Snow
    and Windy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Patchy blowing snow. Mostly sunny, with a high near 28. Windy.

    High: 28 °F

    Slight Chance
    Snow Showers
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 21. Windy, with a west wind around 32 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 12. Wind chill values as low as -7. Windy, with a west wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Thursday
A 50 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly before 3pm. Partly sunny, with a high near 20. Wind chill values as low as -10. Windy, with a west wind 30 to 34 mph, with gusts as high as 50 mph. New snow accumulation of less than one inch possible.
Thursday Night
Patchy blowing snow. Partly cloudy, with a low around 12. Wind chill values as low as -8. Windy, with a west wind around 29 mph, with gusts as high as 48 mph.
Friday
Patchy blowing snow. Mostly sunny, with a high near 25. Windy, with a west wind 29 to 33 mph, with gusts as high as 55 mph.
Friday Night
Patchy blowing snow. Partly cloudy, with a low around 17. Windy.
Saturday
A 20 percent chance of snow showers after 11am. Patchy blowing snow. Mostly sunny, with a high near 28. Windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20. Breezy.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy.
Sunday Night
Snow likely. Cloudy, with a low around 16.
Monday
Snow. Mostly cloudy, with a high near 25. Breezy.
Monday Night
Snow likely. Mostly cloudy, with a low around 14.
Tuesday
Snow likely. Mostly cloudy, with a high near 24. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A chance of snow. Partly sunny, with a high near 27. Blustery.
Basemap Options
Click map to change the forecast location
Loading map...
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:
5:11 am MST Feb 25, 2026
Forecast Valid:
5pm MST Feb 25, 2026-6pm MST Mar 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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