National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

35°F

2°C

Humidity 86%
Wind Speed W 6 mph
Barometer 30.49 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 15 Oct 8:35 am MDT
Extended Forecast for

3 Miles NE Saint Marys Glacier CO

  • Today

    Today: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 34. Northwest wind 5 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Mostly clear, with a low around 15. North wind 5 to 8 mph becoming west in the evening.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44. West northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 27. Light west southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 25 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West wind 8 to 13 mph becoming light west northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 34. Northwest wind 5 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Mostly clear, with a low around 15. North wind 5 to 8 mph becoming west in the evening.
Friday
Sunny, with a high near 44. West northwest wind around 6 mph becoming light and variable in the afternoon.
Friday Night
Clear, with a low around 27. Light west southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 53. West wind 8 to 13 mph becoming light west northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A chance of showers. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Saint Marys Glacier CO
 39.87°N 105.61°W (Elev. 10597 ft)
Last Update:
12:46 am MDT Oct 15, 2026
Forecast Valid:
8am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation