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

36°F

2°C

Humidity 49%
Wind Speed W 5 mph
Barometer 30.43 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 27 Nov 9:55 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 23. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a west wind 14 to 18 mph, with gusts as high as 32 mph.

    Low: 16 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 26. Wind chill values as low as zero. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph.

    High: 26 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -13. Breezy, with a west wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly before 11am. Partly sunny and cold, with a high near 9. Breezy, with a west wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 9 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 60%.

    High: 10 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Snow Likely

  • Monday

    Monday: A chance of snow, mainly before 11am. Partly sunny and cold, with a high near 7. Breezy.

    High: 7 °F

    Chance Snow
    and Breezy

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 23. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a west wind 14 to 18 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 26. Wind chill values as low as zero. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -13. Breezy, with a west wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely, mainly before 11am. Partly sunny and cold, with a high near 9. Breezy, with a west wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Sunday
Snow likely, mainly after 11am. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0.
Monday
A chance of snow, mainly before 11am. Partly sunny and cold, with a high near 7. Breezy.
Monday Night
Mostly cloudy, with a low around 3. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 16. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 9. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:41 am MST Nov 27, 2025
Forecast Valid:
10am MST Nov 27, 2025-6pm MST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation