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

23°F

-5°C

Humidity 84%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 3 Feb 10:35 pm MST
Extended Forecast for

Saint Marys Glacier CO

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 2am. Widespread blowing snow, mainly before 11pm. Partly cloudy, with a low around 10. Wind chill values as low as -12. Windy, with a west northwest wind around 26 mph, with gusts as high as 40 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 10 °F

    Chance Snow
    Showers and
    Blowing Snow

  • Wednesday

    Wednesday: Areas of blowing snow. Sunny, with a high near 27. Wind chill values as low as -10. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 38 mph.

    High: 27 °F

    Areas Blowing
    Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a steady temperature around 23. Windy, with a west wind 26 to 30 mph, with gusts as high as 45 mph.

    Low: 23 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 35. Windy, with a west northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the morning. Winds could gust as high as 38 mph.

    High: 35 °F

    Sunny and
    Windy then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Mostly Clear
    and Breezy

  • Friday

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

    High: 37 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. Windy.

    Low: 22 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 29. Windy.

    High: 29 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. Windy.

    Low: 19 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Tonight
A 50 percent chance of snow showers, mainly before 2am. Widespread blowing snow, mainly before 11pm. Partly cloudy, with a low around 10. Wind chill values as low as -12. Windy, with a west northwest wind around 26 mph, with gusts as high as 40 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Areas of blowing snow. Sunny, with a high near 27. Wind chill values as low as -10. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly clear, with a steady temperature around 23. Windy, with a west wind 26 to 30 mph, with gusts as high as 45 mph.
Thursday
Sunny, with a high near 35. Windy, with a west northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the morning. Winds could gust as high as 38 mph.
Thursday Night
Mostly clear, with a low around 21. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 37. Breezy.
Friday Night
Partly cloudy, with a low around 22. Windy.
Saturday
Sunny, with a high near 29. Windy.
Saturday Night
Partly cloudy, with a low around 19. Windy.
Sunday
Sunny, with a high near 31. Breezy.
Sunday Night
Mostly clear, with a low around 19. Windy.
Monday
Mostly sunny, with a high near 31. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18. Breezy.
Tuesday
Snow likely. Partly sunny, with a high near 26. 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
 39.85°N 105.63°W (Elev. 11368 ft)
Last Update:
3:41 pm MST Feb 3, 2026
Forecast Valid:
10pm MST Feb 3, 2026-6pm MST Feb 10, 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