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

21°F

-6°C

Humidity 71%
Wind Speed W 13 G 21 mph
Barometer 30.24 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 29 Jan 5:15 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Overnight

    Overnight: Snow likely. Areas of blowing snow. Cloudy, with a low around 4. Wind chill values as low as -18. Windy, with a west northwest wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Thursday

    Thursday: Snow likely, mainly before 8am. Areas of blowing snow. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -20. Windy, with a west northwest wind 26 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 9 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 2. Wind chill values as low as -17. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 34 mph.

    Low: 2 °F

    Slight Chance
    Snow and
    Blustery

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 11. Wind chill values as low as -18. Blustery, with a west northwest wind 17 to 20 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.

    High: 11 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 5. Breezy, with a west wind 17 to 22 mph, with gusts as high as 38 mph.

    Low: 5 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 17. Windy.

    High: 17 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Breezy.

    Low: 8 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 23. Breezy.

    High: 23 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Breezy.

    Low: 10 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
Snow likely. Areas of blowing snow. Cloudy, with a low around 4. Wind chill values as low as -18. Windy, with a west northwest wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly before 8am. Areas of blowing snow. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -20. Windy, with a west northwest wind 26 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2. Wind chill values as low as -17. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 34 mph.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 11. Wind chill values as low as -18. Blustery, with a west northwest wind 17 to 20 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 5. Breezy, with a west wind 17 to 22 mph, with gusts as high as 38 mph.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 17. Windy.
Saturday Night
Partly cloudy, with a low around 8. Breezy.
Sunday
Sunny, with a high near 23. Breezy.
Sunday Night
Mostly cloudy, with a low around 10. Breezy.
Monday
Partly sunny, with a high near 23. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 7. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 13. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 1.
Wednesday
A chance of snow. Partly sunny, with a high near 12. Breezy.
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Forecast Area
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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:
3:26 am MST Jan 29, 2026
Forecast Valid:
5am MST Jan 29, 2026-6pm MST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation