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

35°F

2°C

Humidity 89%
Wind Speed NE 6 mph
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 2 Apr 7:35 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A slight chance of snow showers before 9am, then a chance of snow showers after 3pm. Mostly sunny, with a high near 31. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 31 °F

    Chance Snow
    Showers and
    Windy

  • Tonight

    Tonight: Snow showers. Low around 4. Wind chill values as low as -16. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 4 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 14. Wind chill values as low as -21. Very windy, with a west wind 31 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 14 °F

    Snow Showers
    Likely and
    Very Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 26. Breezy, with a west wind 16 to 20 mph, with gusts as high as 34 mph.

    High: 26 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Breezy.

    Low: 13 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Breezy.

    High: 32 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: A chance of snow showers after noon. Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Breezy.
    Mostly Sunny
    then Chance
    Snow Showers

Detailed Forecast

Today
A slight chance of snow showers before 9am, then a chance of snow showers after 3pm. Mostly sunny, with a high near 31. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
Snow showers. Low around 4. Wind chill values as low as -16. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 14. Wind chill values as low as -21. Very windy, with a west wind 31 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 26. Breezy, with a west wind 16 to 20 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 13. Breezy.
Sunday
Sunny, with a high near 32. Breezy.
Sunday Night
Mostly clear, with a low around 17.
Monday
A chance of snow showers after noon. Mostly sunny, with a high near 33. Breezy.
Monday Night
A chance of snow showers, mainly before midnight. Partly cloudy, with a low around 18. Blustery.
Tuesday
Snow showers likely. Partly sunny, with a high near 33. Breezy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Blustery.
Wednesday
Snow showers likely. Partly sunny, with a high near 35. 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:
3:34 am MDT Apr 2, 2026
Forecast Valid:
7am MDT Apr 2, 2026-6pm MDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation