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.

Overcast

28°F

-2°C

Humidity 77%
Wind Speed SW 6 mph
Barometer 30.43 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 4 Apr 6:15 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 26. Wind chill values as low as -15. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 34 mph.

    High: 26 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 13. Blustery, with a southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 13 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Wind chill values as low as zero. Breezy, with a south southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 32 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of snow showers after noon. Partly sunny, with a high near 34. Breezy, with a west wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 34 °F

    Mostly Sunny
    then Chance
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Windy. Chance of precipitation is 60%.

    High: 33 °F

    Snow Showers
    Likely and
    Windy

  • Tuesday Night

    Tuesday Night: A chance of snow showers before midnight. Partly cloudy, with a low around 24. Windy.

    Low: 24 °F

    Chance Snow
    Showers and
    Windy then
    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: A chance of snow showers, mainly after noon. Partly sunny, with a high near 36. Very windy.

    High: 36 °F

    Chance Snow
    Showers and
    Very Windy

Detailed Forecast

Today
Sunny, with a high near 26. Wind chill values as low as -15. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 13. Blustery, with a southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 32. Wind chill values as low as zero. Breezy, with a south southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 18. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.
Monday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 34. Breezy, with a west wind 10 to 16 mph, with gusts as high as 29 mph.
Monday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 19.
Tuesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Windy. Chance of precipitation is 60%.
Tuesday Night
A chance of snow showers before midnight. Partly cloudy, with a low around 24. Windy.
Wednesday
A chance of snow showers, mainly after noon. Partly sunny, with a high near 36. Very windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Windy.
Thursday
Snow showers likely. Mostly cloudy, with a high near 34. Windy.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 19. Breezy.
Friday
Snow showers. Mostly cloudy, with a high near 27. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
12:46 am MDT Apr 4, 2026
Forecast Valid:
6am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation