National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

30°F

-1°C

Humidity 53%
Wind Speed SE 5 mph
Barometer 30.36 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 13 Nov 12:35 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Breezy, with a west wind around 15 mph, with gusts as high as 24 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 37. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.

    High: 37 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Breezy, with a west wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 37. Breezy, with a west wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 37 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Breezy, with a west wind around 18 mph, with gusts as high as 33 mph.

    Low: 25 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow showers after 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Snow showers. Mostly cloudy, with a low around 17. Breezy.

    Low: 17 °F

    Snow Showers
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Breezy, with a west wind around 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 37. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 26. Breezy, with a west wind 14 to 17 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 37. Breezy, with a west wind 16 to 18 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 25. Breezy, with a west wind around 18 mph, with gusts as high as 33 mph.
Saturday
Partly sunny, with a high near 33. Breezy.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow showers after 11am. Partly sunny, with a high near 34.
Sunday Night
Snow showers. Mostly cloudy, with a low around 17. Breezy.
Monday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 21. Breezy.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Breezy.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 21.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 10.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 16. Blustery.
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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:
2:31 pm MST Nov 12, 2025
Forecast Valid:
12am MST Nov 13, 2025-6pm MST Nov 19, 2025
 
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Additional Resources

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Chance of Precipitation