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

26°F

-3°C

Humidity 64%
Wind Speed Calm
Barometer 30.52 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 12 Jan 6:55 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 14. Wind chill values as low as -2. Blustery, with a west northwest wind around 17 mph, with gusts as high as 28 mph.

    Low: 14 °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 northwest wind 18 to 25 mph, with gusts as high as 38 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. Blustery, with a west wind 20 to 24 mph, with gusts as high as 37 mph.

    Low: 12 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 19. Wind chill values as low as -6. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph.

    High: 19 °F

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Breezy, with a west wind 20 to 23 mph, with gusts as high as 34 mph.

    Low: 12 °F

    Mostly Clear
    and Breezy

  • Thursday

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

    High: 20 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 4. Windy.

    Low: 4 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 11. Windy.

    High: 11 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Wind chill values as low as -2. Blustery, with a west northwest wind around 17 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -3. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 12. Wind chill values as low as -4. Blustery, with a west wind 20 to 24 mph, with gusts as high as 37 mph.
Wednesday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 19. Wind chill values as low as -6. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 12. Breezy, with a west wind 20 to 23 mph, with gusts as high as 34 mph.
Thursday
Sunny, with a high near 20. Breezy.
Thursday Night
Mostly clear, with a low around 4. Windy.
Friday
Mostly sunny, with a high near 11. Windy.
Friday Night
Mostly cloudy, with a low around 7. Windy.
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 20. Breezy.
Sunday Night
Mostly clear, with a low around 8. Breezy.
M.L.King Day
Sunny, with a high near 21. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
2:16 pm MST Jan 12, 2026
Forecast Valid:
7pm MST Jan 12, 2026-6pm MST Jan 19, 2026
 
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