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

62°F

17°C

Humidity 20%
Wind Speed W 13 G 25 mph
Barometer 30.29 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 22 Mar 1:15 pm MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: A slight chance of snow showers between 3pm and 4pm. Mostly sunny, with a high near 39. Breezy, with a west northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 38. Breezy, with a west wind 18 to 24 mph, with gusts as high as 37 mph. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 27. Blustery, with a west wind 17 to 23 mph, with gusts as high as 34 mph.

    Low: 27 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Windy, with a west wind 20 to 25 mph, with gusts as high as 41 mph.

    High: 42 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 46. Windy.

    High: 46 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Windy.

    Low: 31 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: A chance of snow after noon. Mostly sunny, with a high near 43. Windy.

    High: 43 °F

    Mostly Sunny
    and Breezy
    then Chance
    Snow and
    Windy

Detailed Forecast

This Afternoon
A slight chance of snow showers between 3pm and 4pm. Mostly sunny, with a high near 39. Breezy, with a west northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 38. Breezy, with a west wind 18 to 24 mph, with gusts as high as 37 mph. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 27. Blustery, with a west wind 17 to 23 mph, with gusts as high as 34 mph.
Tuesday
Partly sunny, with a high near 42. Windy, with a west wind 20 to 25 mph, with gusts as high as 41 mph.
Tuesday Night
Partly cloudy, with a low around 30. Breezy.
Wednesday
Sunny, with a high near 46. Windy.
Wednesday Night
Mostly clear, with a low around 31. Windy.
Thursday
A chance of snow after noon. Mostly sunny, with a high near 43. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17. Blustery.
Friday
A chance of snow. Partly sunny, with a high near 29. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 17. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 36. Breezy.
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Forecast Area
Tiles ©ESRI

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 Mar 22, 2026
Forecast Valid:
1pm MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation