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

26°F

-3°C

Humidity 84%
Wind Speed E 5 mph
Barometer 30.20 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Nov 5:15 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A 10 percent chance of snow showers after 5pm. Increasing clouds, with a high near 36. West wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 36 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Snow showers likely, mainly after 11pm. Patchy blowing snow after midnight. Mostly cloudy, with a low around 15. Wind chill values as low as -1. Windy, with a south southeast wind 10 to 15 mph becoming west 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow showers, mainly before 11am. Widespread blowing snow, mainly between 8am and 11am. Partly sunny, with a steady temperature around 17. Wind chill values as low as -6. Windy, with a west wind 26 to 33 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.

    High: 17 °F

    Chance Snow
    Showers and
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Wind chill values as low as -1. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph.

    Low: 15 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 26. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A 10 percent chance of snow showers after 5pm. Increasing clouds, with a high near 36. West wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Tonight
Snow showers likely, mainly after 11pm. Patchy blowing snow after midnight. Mostly cloudy, with a low around 15. Wind chill values as low as -1. Windy, with a south southeast wind 10 to 15 mph becoming west 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
A 40 percent chance of snow showers, mainly before 11am. Widespread blowing snow, mainly between 8am and 11am. Partly sunny, with a steady temperature around 17. Wind chill values as low as -6. Windy, with a west wind 26 to 33 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 15. Wind chill values as low as -1. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 26. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 15.
Wednesday
A 50 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 24.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 14.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 17.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 11.
Friday
A chance of snow showers. Mostly cloudy, with a high near 19.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 11. Breezy.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 20. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:26 am MST Nov 16, 2025
Forecast Valid:
5am MST Nov 16, 2025-6pm MST Nov 22, 2025
 
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