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

36°F

2°C

Humidity 65%
Wind Speed W 13 G 21 mph
Barometer 30.23 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 6 Nov 8:15 pm MST
Extended Forecast for

Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 23. Very windy, with a west wind 33 to 37 mph, with gusts as high as 55 mph.

    Low: 23 °F

    Mostly Clear
    and Very
    Windy

  • Friday

    Friday: Sunny, with a high near 33. Windy, with a west wind 24 to 31 mph, with gusts as high as 47 mph.

    High: 33 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly after 11pm. Partly cloudy, with a low around 23. Very windy, with a west wind 32 to 37 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Very Windy

  • Saturday

    Saturday: Sunny, with a high near 26. Very windy, with a west wind 34 to 39 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 60 mph.

    High: 26 °F

    Sunny and
    Very Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Breezy.

    High: 29 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Windy.

    Low: 23 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 39. Windy.

    High: 39 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Windy.

    Low: 30 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Very windy, with a west wind 33 to 37 mph, with gusts as high as 55 mph.
Friday
Sunny, with a high near 33. Windy, with a west wind 24 to 31 mph, with gusts as high as 47 mph.
Friday Night
A 30 percent chance of snow showers, mainly after 11pm. Partly cloudy, with a low around 23. Very windy, with a west wind 32 to 37 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.
Saturday
Sunny, with a high near 26. Very windy, with a west wind 34 to 39 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 60 mph.
Saturday Night
Mostly clear, with a low around 15. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 29. Breezy.
Sunday Night
Mostly clear, with a low around 23. Windy.
Monday
Mostly sunny, with a high near 39. Windy.
Monday Night
Mostly cloudy, with a low around 30. Windy.
Veterans Day
Mostly sunny, with a high near 39. Windy.
Tuesday Night
Partly cloudy, with a low around 28. Windy.
Wednesday
Mostly sunny, with a high near 40. Breezy.
Wednesday Night
Partly cloudy, with a low around 30. Breezy.
Thursday
Sunny, with a high near 40. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.85°N 105.63°W (Elev. 11368 ft)
Last Update:
2:31 pm MST Nov 6, 2025
Forecast Valid:
8pm MST Nov 6, 2025-6pm MST Nov 13, 2025
 
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Additional Resources

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Chance of Precipitation