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.

Overcast

7°F

-14°C

Humidity 80%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 10 Jan 4:15 am MST
Extended Forecast for

3 Miles NE Saint Marys Glacier CO

  • Today

    Today: Mostly sunny, with a high near 17. Wind chill values as low as -28. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 17 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 15. Wind chill values as low as -5. Breezy, with a west wind 13 to 16 mph, with gusts as high as 33 mph.

    Low: 15 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Wind chill values as low as -1. West northwest wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. West wind around 14 mph, with gusts as high as 33 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. Breezy, with a west wind 13 to 15 mph, with gusts as high as 32 mph.

    High: 33 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Breezy.

    High: 34 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before 11am. Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 17. Wind chill values as low as -28. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a steady temperature around 15. Wind chill values as low as -5. Breezy, with a west wind 13 to 16 mph, with gusts as high as 33 mph.
Sunday
Mostly sunny, with a high near 31. Wind chill values as low as -1. West northwest wind 9 to 11 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 17. West wind around 14 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 33. Breezy, with a west wind 13 to 15 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 21. Breezy.
Tuesday
Partly sunny, with a high near 34. Breezy.
Tuesday Night
Mostly cloudy, with a low around 21. Breezy.
Wednesday
A slight chance of snow before 11am. Mostly sunny, with a high near 32. Breezy.
Wednesday Night
Mostly clear, with a low around 21. Breezy.
Thursday
Sunny, with a high near 30. Breezy.
Thursday Night
Mostly clear, with a low around 12. Blustery.
Friday
A slight chance of snow. Mostly sunny, with a high near 19. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Saint Marys Glacier CO
 39.87°N 105.61°W (Elev. 10597 ft)
Last Update:
3:27 am MST Jan 10, 2026
Forecast Valid:
4am MST Jan 10, 2026-6pm MST Jan 16, 2026
 
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