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.

Fair

29°F

-2°C

Humidity 61%
Wind Speed N 6 mph
Barometer 29.99 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 4 Mar 10:15 pm MST
Extended Forecast for

3 Miles NE Saint Marys Glacier CO

Winter Storm Watch March 6, 12:00am until March 7, 12:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 22. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Increasing clouds, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 41 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 16. West wind 7 to 10 mph becoming east after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. Areas of blowing snow between 8am and 4pm. High near 19. Wind chill values as low as zero. Blustery, with a north wind 13 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 19 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly before 11pm. Low around 7. North wind 6 to 9 mph becoming south southwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 7 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 28.

    High: 28 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16. Windy.

    Low: 16 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 37. Breezy.

    High: 37 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Windy.

    Low: 23 °F

    Mostly Clear
    and Windy

Detailed Forecast

Tonight
Increasing clouds, with a low around 22. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
A 20 percent chance of snow after 11am. Increasing clouds, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Snow likely, mainly after 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 16. West wind 7 to 10 mph becoming east after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. The snow could be heavy at times. Areas of blowing snow between 8am and 4pm. High near 19. Wind chill values as low as zero. Blustery, with a north wind 13 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow, mainly before 11pm. Low around 7. North wind 6 to 9 mph becoming south southwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 16. Windy.
Sunday
Sunny, with a high near 37. Breezy.
Sunday Night
Mostly clear, with a low around 23. Windy.
Monday
Sunny, with a high near 42. Breezy.
Monday Night
Partly cloudy, with a low around 25. Windy.
Tuesday
Snow likely. Partly sunny, with a high near 34. Windy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 13. Windy.
Wednesday
A chance of snow. Partly sunny, with a high near 23. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Saint Marys Glacier CO
 39.87°N 105.61°W (Elev. 10597 ft)
Last Update:
3:01 pm MST Mar 4, 2026
Forecast Valid:
10pm MST Mar 4, 2026-6pm MDT Mar 11, 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