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

4°F

-16°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 30.45 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 28 Jan 3:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Overnight

    Overnight: Patchy blowing snow. Partly cloudy, with a low around 0. Wind chill values as low as -23. Blustery, with a west northwest wind around 22 mph, with gusts as high as 34 mph.

    Low: 0 °F

    Patchy
    Blowing Snow
    and Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow after 4pm. Patchy blowing snow. Partly sunny, with a high near 19. Wind chill values as low as -20. Blustery, with a west wind 22 to 24 mph, with gusts as high as 36 mph.

    High: 19 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 11pm. Patchy blowing snow. Mostly cloudy, with a low around 3. Wind chill values as low as -18. Windy, with a west wind 22 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 3 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly before 11am. Areas of blowing snow. Partly sunny and cold, with a high near 8. Wind chill values as low as -21. Windy, with a west northwest wind 25 to 29 mph, with gusts as high as 45 mph. New snow accumulation of less than one inch possible.

    High: 8 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph.

    Low: 2 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: A 30 percent chance of snow. Partly sunny, with a high near 11. Breezy.

    High: 11 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 5. Breezy.

    Low: 5 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday

    Saturday: A slight 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 7. Breezy.

    Low: 7 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Patchy blowing snow. Partly cloudy, with a low around 0. Wind chill values as low as -23. Blustery, with a west northwest wind around 22 mph, with gusts as high as 34 mph.
Wednesday
A 20 percent chance of snow after 4pm. Patchy blowing snow. Partly sunny, with a high near 19. Wind chill values as low as -20. Blustery, with a west wind 22 to 24 mph, with gusts as high as 36 mph.
Wednesday Night
Snow likely, mainly after 11pm. Patchy blowing snow. Mostly cloudy, with a low around 3. Wind chill values as low as -18. Windy, with a west wind 22 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 50 percent chance of snow, mainly before 11am. Areas of blowing snow. Partly sunny and cold, with a high near 8. Wind chill values as low as -21. Windy, with a west northwest wind 25 to 29 mph, with gusts as high as 45 mph. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around 2. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 11. Breezy.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 5. Breezy.
Saturday
A slight chance of snow before 11am. Partly sunny, with a high near 17. Windy.
Saturday Night
Partly cloudy, with a low around 7. Breezy.
Sunday
Sunny, with a high near 22. Blustery.
Sunday Night
Mostly cloudy, with a low around 10. Breezy.
Monday
Partly sunny, with a high near 22. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 8. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 12. Blustery.
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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 28, 2026
Forecast Valid:
3am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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