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

34°F

1°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 30.10 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Apr 4:35 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 38. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 45 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    Showers and
    Windy

  • Tonight

    Tonight: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 24. Blustery, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers and
    Blustery

  • Thursday

    Thursday: Snow showers, mainly after noon. High near 41. Windy, with a west wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: Snow showers likely before midnight. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 9 to 17 mph becoming east southeast in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Snow Showers
    Likely and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a south wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    High: 37 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: Snow showers, mainly after noon. Some thunder is also possible. High near 35. Breezy. Chance of precipitation is 90%.

    High: 35 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Snow showers, mainly after noon. Mostly cloudy, with a high near 31. Windy.

    High: 31 °F

    Snow Showers
    and Windy

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 38. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 45 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 24. Blustery, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow showers, mainly after noon. High near 41. Windy, with a west wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely before midnight. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 9 to 17 mph becoming east southeast in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a south wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 25. Breezy.
Saturday
Snow showers, mainly after noon. Some thunder is also possible. High near 35. Breezy. Chance of precipitation is 90%.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. Breezy.
Sunday
Snow showers, mainly after noon. Mostly cloudy, with a high near 31. Windy.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. Windy.
Monday
Snow showers. Mostly cloudy, with a high near 26. Windy.
Monday Night
Snow showers. Mostly cloudy, with a low around 14. Windy.
Tuesday
Snow showers. Mostly cloudy, with a high near 20. 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:
12:46 am MDT Apr 8, 2026
Forecast Valid:
4am MDT Apr 8, 2026-6pm MDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation