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.

Overcast

17°F

-8°C

Humidity 87%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 30 Jan 7:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A 30 percent chance of snow. Patchy blowing snow. Partly sunny, with a high near 11. Wind chill values as low as -19. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 34 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 11 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -12. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 17. Wind chill values as low as -9. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 49 mph.

    High: 17 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Wind chill values as low as -11. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph.

    Low: 8 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.

    High: 24 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 22. Breezy.

    High: 22 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Slight Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: A chance of snow. Partly sunny, with a high near 13. Blustery.

    High: 13 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
A 30 percent chance of snow. Patchy blowing snow. Partly sunny, with a high near 11. Wind chill values as low as -19. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 34 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -12. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 17. Wind chill values as low as -9. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 49 mph.
Saturday Night
Partly cloudy, with a low around 8. Wind chill values as low as -11. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 24. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 13. Breezy.
Monday
Mostly sunny, with a high near 22. Breezy.
Monday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 6. Blustery.
Tuesday
A chance of snow. Partly sunny, with a high near 13. Blustery.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 4. Breezy.
Wednesday
A chance of snow. Mostly sunny, with a high near 15. Breezy.
Wednesday Night
Mostly clear, with a low around 6. Breezy.
Thursday
Sunny, with a high near 22. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:27 am MST Jan 30, 2026
Forecast Valid:
7am MST Jan 30, 2026-6pm MST Feb 5, 2026
 
Forecast Discussion
 
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