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.

Mostly Cloudy

36°F

2°C

Humidity 62%
Wind Speed SW 15 G 20 mph
Barometer 30.15 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 9 Dec 6:55 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

High Wind Warning December 9, 07:17pm until December 10, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 07:17pm until December 10, 12:00am

    NOW until 12:00am Wed

    High Wind Warning

  • Tonight

    Low: 17 °F

    Snow Likely
    and Blowing
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Widespread blowing snow, mainly after 7am. Partly sunny, with a high near 23. Wind chill values as low as -2. Very windy, with a west northwest wind 29 to 34 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 70 mph. New snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Chance Snow
    and Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Widespread blowing snow, mainly before 8pm. Mostly cloudy, with a low around 18. Very windy, with a west northwest wind 31 to 38 mph, with gusts as high as 60 mph.

    Low: 18 °F

    Blowing Snow
    and Very
    Windy

  • Thursday

    Thursday: Patchy blowing snow before 11am. Mostly sunny, with a high near 24. Wind chill values as low as -1. Windy, with a west wind 29 to 33 mph, with gusts as high as 47 mph.

    High: 24 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Windy, with a west wind 23 to 30 mph, with gusts as high as 44 mph.

    Low: 15 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 25. Breezy.

    High: 25 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Windy.

    Low: 14 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Windy.

    High: 24 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Tonight
Snow likely, mainly after 11pm. Widespread blowing snow, mainly before 3am. Mostly cloudy, with a low around 17. Very windy, with a west northwest wind 34 to 39 mph decreasing to 28 to 33 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
A 40 percent chance of snow. Widespread blowing snow, mainly after 7am. Partly sunny, with a high near 23. Wind chill values as low as -2. Very windy, with a west northwest wind 29 to 34 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 70 mph. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Widespread blowing snow, mainly before 8pm. Mostly cloudy, with a low around 18. Very windy, with a west northwest wind 31 to 38 mph, with gusts as high as 60 mph.
Thursday
Patchy blowing snow before 11am. Mostly sunny, with a high near 24. Wind chill values as low as -1. Windy, with a west wind 29 to 33 mph, with gusts as high as 47 mph.
Thursday Night
Partly cloudy, with a low around 15. Windy, with a west wind 23 to 30 mph, with gusts as high as 44 mph.
Friday
Mostly sunny, with a high near 25. Breezy.
Friday Night
Partly cloudy, with a low around 14. Windy.
Saturday
Mostly sunny, with a high near 24. Windy.
Saturday Night
Partly cloudy, with a low around 16. Breezy.
Sunday
Mostly sunny, with a high near 28. Breezy.
Sunday Night
Partly cloudy, with a low around 15. Breezy.
Monday
Mostly sunny, with a high near 24. Breezy.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 20. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
2:02 pm MST Dec 9, 2025
Forecast Valid:
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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Chance of Precipitation