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

51°F

11°C

Humidity 29%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 5 Nov 11:15 am MST
Extended Forecast for

Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 52. West wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Windy, with a west wind 11 to 21 mph increasing to 23 to 33 mph after midnight. Winds could gust as high as 55 mph.

    Low: 34 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am. Mostly sunny, with a temperature rising to near 41 by noon, then falling to around 31 during the remainder of the day. Windy, with a west wind 28 to 30 mph, with gusts as high as 50 mph.

    High: 41 °F⇓

    Slight Chance
    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Windy, with a west wind around 32 mph, with gusts as high as 55 mph.

    Low: 25 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 37. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.

    High: 37 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Partly cloudy, with a low around 27. Windy.

    Low: 27 °F

    Slight Chance
    Snow Showers
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Windy.

    High: 33 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. West wind 7 to 9 mph, with gusts as high as 16 mph.
Tonight
Mostly clear, with a low around 34. Windy, with a west wind 11 to 21 mph increasing to 23 to 33 mph after midnight. Winds could gust as high as 55 mph.
Thursday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a temperature rising to near 41 by noon, then falling to around 31 during the remainder of the day. Windy, with a west wind 28 to 30 mph, with gusts as high as 50 mph.
Thursday Night
Mostly clear, with a low around 25. Windy, with a west wind around 32 mph, with gusts as high as 55 mph.
Friday
Mostly sunny, with a high near 37. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.
Friday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 27. Windy.
Saturday
Mostly sunny, with a high near 33. Windy.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 25. Breezy.
Monday
Mostly sunny, with a high near 43. Breezy.
Monday Night
Partly cloudy, with a low around 31. Breezy.
Veterans Day
Partly sunny, with a high near 44. 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:
3:26 am MST Nov 5, 2025
Forecast Valid:
11am MST Nov 5, 2025-6pm MST Nov 11, 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