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

25°F

-4°C

Humidity 46%
Wind Speed N 5 mph
Barometer 30.41 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 8 Nov 9:55 pm MST
Extended Forecast for

Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 15. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 29. Wind chill values as low as zero. Blustery, with a west northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 29 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Windy, with a west wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph.

    Low: 23 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 39. Windy, with a west wind 17 to 25 mph, with gusts as high as 38 mph.

    High: 39 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Windy, with a west wind 25 to 30 mph, with gusts as high as 46 mph.

    Low: 30 °F

    Partly Cloudy
    and Windy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 39. Windy.

    High: 39 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Breezy.

    Low: 29 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 41. Breezy.

    High: 41 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 15. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 29. Wind chill values as low as zero. Blustery, with a west northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 23. Windy, with a west wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph.
Monday
Mostly sunny, with a high near 39. Windy, with a west wind 17 to 25 mph, with gusts as high as 38 mph.
Monday Night
Partly cloudy, with a low around 30. Windy, with a west wind 25 to 30 mph, with gusts as high as 46 mph.
Veterans Day
Mostly sunny, with a high near 39. Windy.
Tuesday Night
Mostly clear, with a low around 29. Breezy.
Wednesday
Sunny, with a high near 41. Breezy.
Wednesday Night
Partly cloudy, with a low around 30. Breezy.
Thursday
Sunny, with a high near 41. Breezy.
Thursday Night
Mostly clear, with a low around 31. Breezy.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 42. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Breezy.
Saturday
A chance of snow showers. Partly sunny, with a high near 34. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.66°W (Elev. 10981 ft)
Last Update:
2:11 pm MST Nov 8, 2025
Forecast Valid:
10pm MST Nov 8, 2025-6pm MST Nov 15, 2025
 
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