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

18°F

-8°C

Humidity 72%
Wind Speed Calm
Barometer 30.61 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 12 Jan 10:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 23. Blustery, with a west northwest wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 23 °F

    Sunny then
    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 13. Wind chill values as low as -4. Blustery, with a west northwest wind 14 to 18 mph, with gusts as high as 36 mph.

    Low: 13 °F

    Mostly Clear
    and Blustery

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. Wind chill values as low as -3. Windy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.

    High: 22 °F

    Increasing
    Clouds and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12. Wind chill values as low as -4. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph.

    Low: 12 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 19 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11. Breezy.

    Low: 11 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 20. Blustery.

    High: 20 °F

    Sunny and
    Blustery

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 2. Blustery.

    Low: 2 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Mostly sunny and cold, with a high near 8. Windy.

    High: 8 °F

    Cold and
    Windy

Detailed Forecast

Today
Sunny, with a high near 23. Blustery, with a west northwest wind 14 to 16 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 13. Wind chill values as low as -4. Blustery, with a west northwest wind 14 to 18 mph, with gusts as high as 36 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -3. Windy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.
Tuesday Night
Mostly cloudy, with a low around 12. Wind chill values as low as -4. Breezy, with a west wind 18 to 23 mph, with gusts as high as 39 mph.
Wednesday
Mostly sunny, with a high near 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 11. Breezy.
Thursday
Sunny, with a high near 20. Blustery.
Thursday Night
Mostly clear, with a low around 2. Blustery.
Friday
Mostly sunny and cold, with a high near 8. Windy.
Friday Night
Mostly cloudy, with a low around 5. Breezy.
Saturday
Mostly sunny, with a high near 14. Windy.
Saturday Night
Mostly clear, with a low around 9. Breezy.
Sunday
Sunny, with a high near 21. 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:
3:27 am MST Jan 12, 2026
Forecast Valid:
10am MST Jan 12, 2026-6pm MST Jan 18, 2026
 
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