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

37°F

3°C

Humidity 66%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Apr 8:55 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 40. Breezy, with a west wind 13 to 20 mph, with gusts as high as 39 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Breezy.
    Mostly Sunny
    then Chance
    Snow Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph becoming east southeast in the evening. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a southwest wind around 15 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Breezy.
    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    High: 37 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers before midnight. Partly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of snow showers after noon. Partly sunny, with a high near 34. Windy.

    High: 34 °F

    Windy. Mostly
    Sunny then
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: Snow showers, mainly after noon. Mostly cloudy, with a high near 27. Windy.

    High: 27 °F

    Snow Showers
    and Windy

Detailed Forecast

Today
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 40. Breezy, with a west wind 13 to 20 mph, with gusts as high as 39 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph becoming east southeast in the evening. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a southwest wind around 15 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of snow showers before midnight. Partly cloudy, with a low around 22. Breezy.
Sunday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 34. Windy.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Breezy.
Monday
Snow showers, mainly after noon. Mostly cloudy, with a high near 27. Windy.
Monday Night
Snow showers. Mostly cloudy, with a low around 13. Windy.
Tuesday
Snow showers. Cloudy, with a high near 20. Breezy.
Tuesday Night
Snow showers. Mostly cloudy, with a low around 14. Blustery.
Wednesday
A chance of snow showers. Partly sunny, with a high near 27. Windy.
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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:
12:46 am MDT Apr 9, 2026
Forecast Valid:
9am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation