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

23°F

-5°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 30.07 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 9 Mar 6:55 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: Patchy blowing snow. Sunny, with a high near 29. Wind chill values as low as -1. Windy, with a west wind 28 to 31 mph, with gusts as high as 46 mph.

    High: 29 °F

    Patchy
    Blowing Snow
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 18. Windy, with a west wind 26 to 29 mph, with gusts as high as 45 mph.

    Low: 18 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Wind chill values as low as zero. Windy, with a west wind 25 to 30 mph, with gusts as high as 48 mph.

    High: 30 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west wind 25 to 30 mph, with gusts as high as 49 mph.

    Low: 10 °F

    Slight Chance
    Snow Showers
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. Windy, with a west wind 26 to 30 mph, with gusts as high as 50 mph.

    High: 20 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Windy.

    Low: 20 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: Partly sunny, with a high near 27. Very windy.

    High: 27 °F

    Partly Sunny
    and Very
    Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Very windy.

    Low: 21 °F

    Mostly Cloudy
    and Very
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 30. Very windy.

    High: 30 °F

    Mostly Sunny
    and Very
    Windy

Detailed Forecast

Today
Patchy blowing snow. Sunny, with a high near 29. Wind chill values as low as -1. Windy, with a west wind 28 to 31 mph, with gusts as high as 46 mph.
Tonight
Mostly clear, with a low around 18. Windy, with a west wind 26 to 29 mph, with gusts as high as 45 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values as low as zero. Windy, with a west wind 25 to 30 mph, with gusts as high as 48 mph.
Tuesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west wind 25 to 30 mph, with gusts as high as 49 mph.
Wednesday
Mostly sunny, with a high near 20. Windy, with a west wind 26 to 30 mph, with gusts as high as 50 mph.
Wednesday Night
Partly cloudy, with a low around 20. Windy.
Thursday
Partly sunny, with a high near 27. Very windy.
Thursday Night
Mostly cloudy, with a low around 21. Very windy.
Friday
Mostly sunny, with a high near 30. Very windy.
Friday Night
Partly cloudy, with a low around 23. Very windy.
Saturday
Mostly sunny, with a high near 32. Very windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Very windy.
Sunday
Snow likely. Mostly cloudy, with a high near 29. Very 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:
2:10 am MDT Mar 9, 2026
Forecast Valid:
7am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
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Additional Resources

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