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

36°F

2°C

Humidity 84%
Wind Speed E 7 mph
Barometer 30.24 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 15 Oct 4:15 am MDT
Extended Forecast for

Saint Marys Glacier CO

  • Today

    Today: A 20 percent chance of showers after 3pm. Sunny, with a high near 54. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 54 °F

    Breezy. Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 2am, then a chance of snow showers after 2am. Some thunder is also possible. Mostly cloudy, with a low around 33. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Slight Chance
    T-storms then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 40 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 42. Breezy, with a west wind 8 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Breezy, with a west wind 11 to 15 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 39. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 34 mph.

    High: 39 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of snow showers. Mostly sunny, with a high near 39. Breezy.

    High: 39 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Breezy.

    Low: 30 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Sunny, with a high near 54. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph.
Tonight
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 2am, then a chance of snow showers after 2am. Some thunder is also possible. Mostly cloudy, with a low around 33. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A 40 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 42. Breezy, with a west wind 8 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 26. Breezy, with a west wind 11 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 39. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 29. Breezy.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 39. Breezy.
Saturday Night
Mostly clear, with a low around 30. Breezy.
Sunday
Sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 36. Breezy.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 47. Breezy.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Blustery.
Tuesday
A chance of snow showers. Mostly sunny, with a high near 40. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
4:26 am MDT Oct 15, 2025
Forecast Valid:
4am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation