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.

Fair

32°F

0°C

Humidity 62%
Wind Speed SE 6 mph
Barometer 30.51 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 19 Mar 4:15 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Sunny, with a high near 42. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 34 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Blustery, with a west northwest wind around 21 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Sunny, with a high near 43. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 31 mph.

    High: 43 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. Breezy, with a west wind 16 to 18 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 48. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 48 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Partly sunny, with a high near 36. Breezy.

    High: 36 °F

    Breezy.
    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Partly cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Chance Snow
    and Blustery
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: A slight chance of snow after noon. Mostly sunny, with a high near 39. Breezy.

    High: 39 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 42. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 28. Blustery, with a west northwest wind around 21 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 43. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 29. Breezy, with a west wind 16 to 18 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 48. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph.
Saturday Night
Partly cloudy, with a low around 25. Windy.
Sunday
A 50 percent chance of snow after noon. Partly sunny, with a high near 36. Breezy.
Sunday Night
A chance of snow before midnight. Partly cloudy, with a low around 19. Blustery.
Monday
A slight chance of snow after noon. Mostly sunny, with a high near 39. Breezy.
Monday Night
Mostly cloudy, with a low around 24. Breezy.
Tuesday
Mostly sunny, with a high near 42. Windy.
Tuesday Night
Partly cloudy, with a low around 29. Blustery.
Wednesday
Sunny, with a high near 44. Windy.
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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:
3:11 am MDT Mar 19, 2026
Forecast Valid:
4am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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