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

42°F

6°C

Humidity 61%
Wind Speed SW 8 G 16 mph
Barometer 30.24 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Dec 2:55 pm MST
Extended Forecast for

Saint Marys Glacier CO

High Wind Warning until December 11, 11:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until December 11, 11:00am

    NOW until 11:00am Thu

    High Wind Warning

  • This Afternoon

    High: 33 °F

    Blowing Snow
    and Very
    Windy

  • Tonight

    Tonight: Widespread blowing snow. Partly cloudy, with a low around 28. Very windy, with a west northwest wind 45 to 48 mph, with gusts as high as 70 mph.

    Low: 28 °F

    Blowing Snow
    and Very
    Windy

  • Thursday

    Thursday: Widespread blowing snow, mainly before 10am. Mostly sunny, with a high near 36. Very windy, with a west northwest wind 41 to 46 mph decreasing to 32 to 37 mph in the afternoon. Winds could gust as high as 65 mph.

    High: 36 °F

    Very Windy.
    Blowing Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Windy, with a west wind 23 to 32 mph, with gusts as high as 55 mph.

    Low: 24 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Friday Night

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

    Low: 23 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 36. Windy.

    High: 36 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. Breezy.

    Low: 23 °F

    Mostly Clear
    and Breezy

Detailed Forecast

This Afternoon
Widespread blowing snow. Mostly sunny, with a high near 33. Very windy, with a west northwest wind around 48 mph, with gusts as high as 70 mph.
Tonight
Widespread blowing snow. Partly cloudy, with a low around 28. Very windy, with a west northwest wind 45 to 48 mph, with gusts as high as 70 mph.
Thursday
Widespread blowing snow, mainly before 10am. Mostly sunny, with a high near 36. Very windy, with a west northwest wind 41 to 46 mph decreasing to 32 to 37 mph in the afternoon. Winds could gust as high as 65 mph.
Thursday Night
Partly cloudy, with a low around 24. Windy, with a west wind 23 to 32 mph, with gusts as high as 55 mph.
Friday
Sunny, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.
Friday Night
Mostly clear, with a low around 23. Windy.
Saturday
Sunny, with a high near 36. Windy.
Saturday Night
Mostly clear, with a low around 23. Breezy.
Sunday
Mostly sunny, with a high near 42. Breezy.
Sunday Night
Partly cloudy, with a low around 24. Breezy.
Monday
Sunny, with a high near 38. Breezy.
Monday Night
Partly cloudy, with a low around 23. Breezy.
Tuesday
Mostly sunny, with a high near 33. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
2:11 pm MST Dec 10, 2025
Forecast Valid:
3pm MST Dec 10, 2025-6pm MST Dec 16, 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