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

46°F

8°C

Humidity 33%
Wind Speed W 13 G 18 mph
Barometer 30.27 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 28 Feb 11:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Patchy blowing snow after 5pm. Sunny, with a high near 28. Windy, with a west wind 18 to 25 mph, with gusts as high as 43 mph.

    High: 28 °F

    Patchy
    Blowing Snow
    and Windy

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm. Patchy blowing snow before 8pm. Mostly cloudy, with a low around 18. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly before 11am. Patchy blowing snow. Mostly cloudy, with a high near 31. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 19. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Slight Chance
    Snow and
    Breezy

  • Monday

    Monday: A 30 percent chance of snow after 11am. Partly sunny, with a high near 30. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph.

    High: 30 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.

    Low: 16 °F

    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Snow. Some thunder is also possible. High near 25. Blustery. Chance of precipitation is 90%.

    High: 25 °F

    Snow and
    Blustery

  • Tuesday Night

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

    Low: 11 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of snow. Mostly sunny, with a high near 25. Breezy.

    High: 25 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Patchy blowing snow after 5pm. Sunny, with a high near 28. Windy, with a west wind 18 to 25 mph, with gusts as high as 43 mph.
Tonight
A 40 percent chance of snow, mainly after 11pm. Patchy blowing snow before 8pm. Mostly cloudy, with a low around 18. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
Sunday
Snow likely, mainly before 11am. Patchy blowing snow. Mostly cloudy, with a high near 31. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Monday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 30. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph.
Monday Night
Snow likely. Mostly cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.
Tuesday
Snow. Some thunder is also possible. High near 25. Blustery. Chance of precipitation is 90%.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 11. Breezy.
Wednesday
A chance of snow. Mostly sunny, with a high near 25. Breezy.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 13. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 23. Breezy.
Thursday Night
Snow. Mostly cloudy, with a low around 10. Breezy.
Friday
Snow. Cloudy, with a high near 15. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
11:46 pm MST Feb 27, 2026
Forecast Valid:
11am MST Feb 28, 2026-6pm MST Mar 6, 2026
 
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Additional Resources

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