National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

19°F

-7°C

Humidity 75%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 10 Nov 5:35 am MST
Extended Forecast for

Saint Marys Glacier CO

  • Today

    Today: Partly sunny, with a high near 43. Breezy, with a west wind around 15 mph, with gusts as high as 24 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 28. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Decreasing
    Clouds and
    Breezy

  • Veterans Day

    Veterans Day: Sunny, with a high near 43. Breezy, with a west northwest wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 43 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 28. Breezy, with a west wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Clear and
    Breezy then
    Clear

  • Thursday

    Thursday: Sunny, with a high near 47. West wind 9 to 14 mph becoming light in the afternoon. Winds could gust as high as 26 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 43. Breezy, with a west wind around 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 28. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph.
Veterans Day
Sunny, with a high near 43. Breezy, with a west northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Clear, with a low around 28. Breezy, with a west wind 13 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 47. West wind 9 to 14 mph becoming light in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 47. Breezy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 40. Breezy.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
11:46 pm MST Nov 9, 2026
Forecast Valid:
5am MST Nov 10, 2026-6pm MST Nov 16, 2026
 
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