Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

39°F

4°C

Humidity 25%
Wind Speed W 14 G 26 mph
Barometer 30.40 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 11 Mar 3:55 pm MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

High Wind Warning March 12, 04:00am until March 13, 12:00pm
Click here for hazard details and duration
High Wind Warning
  • Tonight

    Tonight: Mostly clear, with a low around 10. Wind chill values as low as -12. Windy, with a west wind 22 to 27 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 55 mph.

    Low: 10 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. Wind chill values as low as -10. Very windy, with a west wind 36 to 46 mph, with gusts as high as 75 mph.

    High: 25 °F

    Mostly Sunny
    and Very
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Wind chill values as low as -3. Very windy, with a west wind 36 to 44 mph, with gusts as high as 70 mph.

    Low: 17 °F

    Partly Cloudy
    and Very
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 34. Wind chill values as low as -3. Very windy, with a west wind around 37 mph, with gusts as high as 60 mph.

    High: 34 °F

    Mostly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. Very windy, with a west wind 29 to 39 mph, with gusts as high as 60 mph.

    Low: 22 °F

    Partly Cloudy
    and Very
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Partly sunny, with a high near 30. Very windy.

    High: 30 °F

    Very Windy.
    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 8. Very windy.  Chance of precipitation is 70%.

    Low: 8 °F

    Snow Likely
    and Very
    Windy

  • Sunday

    Sunday: Snow.  Cloudy, with a high near 12. Very windy.

    High: 12 °F

    Snow and Very
    Windy

  • Sunday Night

    Sunday Night: Snow likely.  Cloudy, with a low around 9. Windy.

    Low: 9 °F

    Snow Likely
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 10. Wind chill values as low as -12. Windy, with a west wind 22 to 27 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 55 mph.
Thursday
Mostly sunny, with a high near 25. Wind chill values as low as -10. Very windy, with a west wind 36 to 46 mph, with gusts as high as 75 mph.
Thursday Night
Partly cloudy, with a low around 17. Wind chill values as low as -3. Very windy, with a west wind 36 to 44 mph, with gusts as high as 70 mph.
Friday
Mostly sunny, with a high near 34. Wind chill values as low as -3. Very windy, with a west wind around 37 mph, with gusts as high as 60 mph.
Friday Night
Partly cloudy, with a low around 22. Very windy, with a west wind 29 to 39 mph, with gusts as high as 60 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 30. Very windy.
Saturday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 8. Very windy. Chance of precipitation is 70%.
Sunday
Snow. Cloudy, with a high near 12. Very windy.
Sunday Night
Snow likely. Cloudy, with a low around 9. Windy.
Monday
Snow likely, mainly before noon. Mostly cloudy, with a high near 24. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Windy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 33. Windy.
Tuesday Night
Partly cloudy, with a low around 22. Windy.
Wednesday
Sunny, with a high near 39. Windy.
Basemap Options
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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)
12:47 pm MDT Mar 11, 2026
4pm MDT Mar 11, 2026-6pm MDT Mar 18, 2026
 
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Additional Resources

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