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

55°F

13°C

Humidity 34%
Wind Speed W 8 mph
Barometer 30.29 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 Nov 11:35 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 37. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 37 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 16 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 37. West wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 37 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow Showers
    Likely and
    Breezy

  • Monday

    Monday: A 50 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 22. Windy, with a west wind 22 to 29 mph, with gusts as high as 46 mph.

    High: 22 °F

    Windy. Chance
    Snow Showers
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 23.

    High: 23 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 37. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 16 mph.
Sunday
Increasing clouds, with a high near 37. West wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
A 50 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 22. Windy, with a west wind 22 to 29 mph, with gusts as high as 46 mph.
Monday Night
Mostly cloudy, with a low around 15. Breezy.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 25.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 15.
Wednesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 23.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 13.
Thursday
A chance of snow showers. Partly sunny, with a high near 21.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 13.
Friday
A chance of snow showers. Partly sunny, with a high near 19.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
7:47 am MST Nov 15, 2025
Forecast Valid:
12pm MST Nov 15, 2025-6pm MST Nov 21, 2025
 
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