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.

Snow

28°F

-2°C

Humidity 94%
Wind Speed W 18 G 23 mph
Barometer 29.91 in
Dewpoint 27°F (-3°C)
Visibility 0.75 mi
Wind Chill15°F (-9°C)
Last update 2 Apr 10:15 pm MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Tonight

    Tonight: Snow showers. Low around 3. Wind chill values as low as -19. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 3 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 15. Wind chill values as low as -24. Very windy, with a west northwest wind 32 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 15 °F

    Snow Showers
    Likely and
    Very Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -12. Windy, with a west northwest wind 27 to 32 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 49 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 25. Wind chill values as low as -10. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.

    High: 25 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 13 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Breezy.

    High: 32 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: A chance of snow showers after noon. Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Breezy. Sunny
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: A chance of snow showers before midnight. Partly cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Chance Snow
    Showers and
    Blustery then
    Partly Cloudy

Detailed Forecast

Tonight
Snow showers. Low around 3. Wind chill values as low as -19. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 15. Wind chill values as low as -24. Very windy, with a west northwest wind 32 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -12. Windy, with a west northwest wind 27 to 32 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 49 mph. New snow accumulation of 1 to 2 inches possible.
Saturday
Sunny, with a high near 25. Wind chill values as low as -10. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 13. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 32. Breezy.
Sunday Night
Mostly clear, with a low around 17.
Monday
A chance of snow showers after noon. Mostly sunny, with a high near 33. Breezy.
Monday Night
A chance of snow showers before midnight. Partly cloudy, with a low around 19. Blustery.
Tuesday
Snow showers likely, mainly after noon. Partly sunny, with a high near 33. Windy.
Tuesday Night
A chance of snow showers. Partly cloudy, with a low around 23. Blustery.
Wednesday
Snow showers likely. Partly sunny, with a high near 35. Windy.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 21. Breezy.
Thursday
Snow showers. Mostly cloudy, with a high near 30. Windy.
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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:
9:22 pm MDT Apr 2, 2026
Forecast Valid:
10pm MDT Apr 2, 2026-6pm MDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation