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

34°F

1°C

Humidity 45%
Wind Speed W 9 G 16 mph
Barometer 30.09 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 6 Jan 4:55 pm MST
Extended Forecast for

Saint Marys Glacier CO

  • Tonight

    Tonight: Patchy blowing snow. Mostly clear, with a low around 16. Wind chill values as low as -4. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph.

    Low: 16 °F

    Patchy
    Blowing Snow
    and Windy

  • Wednesday

    Wednesday: Patchy blowing snow before 2pm. Mostly sunny, with a high near 25. Wind chill values as low as -3. Windy, with a west wind 16 to 25 mph, with gusts as high as 38 mph.

    High: 25 °F

    Patchy
    Blowing Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 13. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 13 °F

    Snow Likely
    and Breezy

  • Thursday

    Thursday: Snow. High near 17. Wind chill values as low as -5. West northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 17 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Patchy blowing snow. Low around 1. Windy, with a west wind 17 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.

    Low: 1 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely. Widespread blowing snow. Mostly cloudy and cold, with a high near 6. Windy. Chance of precipitation is 70%.

    High: 6 °F

    Snow Likely
    and Blowing
    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a low around -1. Windy.

    Low: -1 °F

    Chance Snow
    and Blowing
    Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 13. Windy.

    High: 13 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. Breezy.

    Low: 8 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Tonight
Patchy blowing snow. Mostly clear, with a low around 16. Wind chill values as low as -4. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph.
Wednesday
Patchy blowing snow before 2pm. Mostly sunny, with a high near 25. Wind chill values as low as -3. Windy, with a west wind 16 to 25 mph, with gusts as high as 38 mph.
Wednesday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 13. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
Snow. High near 17. Wind chill values as low as -5. West northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. Patchy blowing snow. Low around 1. Windy, with a west wind 17 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.
Friday
Snow likely. Widespread blowing snow. Mostly cloudy and cold, with a high near 6. Windy. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a low around -1. Windy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 13. Windy.
Saturday Night
Mostly clear, with a low around 8. Breezy.
Sunday
Sunny, with a high near 25. Breezy.
Sunday Night
Mostly clear, with a low around 12. Breezy.
Monday
Mostly sunny, with a high near 24. Blustery.
Monday Night
Partly cloudy, with a low around 10. Breezy.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 21. 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 105.66°W (Elev. 10981 ft)
Last Update:
2:51 pm MST Jan 6, 2026
Forecast Valid:
5pm MST Jan 6, 2026-6pm MST Jan 13, 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