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

43°F

6°C

Humidity 54%
Wind Speed NE 3 mph
Barometer 30.24 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Apr 8:35 pm MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Tonight

    Tonight: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 25. West northwest wind 11 to 13 mph becoming southeast in the evening. Winds could gust as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 38. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Breezy.
    Partly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 26. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Snow showers, mainly after noon. Some thunder is also possible. High near 36. Breezy, with a west wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.

    Low: 23 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Windy.

    High: 35 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 20. Windy.

    Low: 20 °F

    Chance Snow
    Showers and
    Windy

  • Monday

    Monday: Snow showers likely, mainly after noon. Partly sunny, with a high near 31. Very windy.

    High: 31 °F

    Snow Showers
    Likely and
    Very Windy

  • Monday Night

    Monday Night: Snow showers likely. Mostly cloudy, with a low around 14. Very windy.

    Low: 14 °F

    Snow Showers
    Likely and
    Very Windy

Detailed Forecast

Tonight
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 25. West northwest wind 11 to 13 mph becoming southeast in the evening. Winds could gust as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 38. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 26. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow showers, mainly after noon. Some thunder is also possible. High near 36. Breezy, with a west wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
A 50 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 35. Windy.
Sunday Night
A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 20. Windy.
Monday
Snow showers likely, mainly after noon. Partly sunny, with a high near 31. Very windy.
Monday Night
Snow showers likely. Mostly cloudy, with a low around 14. Very windy.
Tuesday
Snow showers. Cloudy, with a high near 23. Windy.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 16. Windy.
Wednesday
A chance of snow showers. Partly sunny, with a high near 28. Windy.
Wednesday Night
A slight chance of snow showers. Partly cloudy, with a low around 18. Windy.
Thursday
A chance of snow showers. Mostly sunny, with a high near 34. 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:
12:46 pm MDT Apr 9, 2026
Forecast Valid:
8pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation