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.

Light Snow

29°F

-2°C

Humidity 90%
Wind Speed E 5 mph
Barometer 30.25 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Feb 3:55 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

Winter Weather Advisory February 12, 04:11am until February 12, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 12, 04:11am until February 12, 11:00am

    NOW until 11:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 14 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 20. Wind chill values as low as zero. Blustery, with a west northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as -5. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 23. Wind chill values as low as -5. West wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 23 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Cloudy, with a low around 9. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 9 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Sunny, with a high near 19. Blustery.

    High: 19 °F

    Blustery.
    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Breezy.

    Low: 9 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Breezy.

    High: 28 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 14. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 20. Wind chill values as low as zero. Blustery, with a west northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as -5. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 23. Wind chill values as low as -5. West wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
A 40 percent chance of snow. Cloudy, with a low around 9. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of snow before 11am. Sunny, with a high near 19. Blustery.
Saturday Night
Mostly clear, with a low around 9. Breezy.
Sunday
Mostly sunny, with a high near 28. Breezy.
Sunday Night
Mostly cloudy, with a low around 15. Breezy.
Washington's Birthday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 27. Breezy.
Monday Night
Snow likely. Mostly cloudy, with a low around 12. Windy.
Tuesday
Snow. Cloudy, with a high near 15. Very windy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 7. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 12. Windy.
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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:
2:52 am MST Feb 12, 2026
Forecast Valid:
4am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
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