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 76%
Wind Speed SE 6 mph
Barometer 30.04 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 7 Jan 12:55 am MST
Extended Forecast for

Saint Marys Glacier CO

  • Overnight

    Overnight: Mostly clear, with a low around 20. Windy, with a west wind 24 to 26 mph, with gusts as high as 41 mph.

    Low: 20 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 16. West wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: Snow. High near 21. West northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 21 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Patchy blowing snow after 11pm. Low around 4. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    Low: 4 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely. Areas of blowing snow. Mostly cloudy and cold, with a high near 10. Windy. Chance of precipitation is 70%.

    High: 10 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Areas of blowing snow. Mostly cloudy, with a low around 2. Windy.

    Low: 2 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 18. Windy.

    High: 18 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 11. Breezy.

    Low: 11 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Windy, with a west wind 24 to 26 mph, with gusts as high as 41 mph.
Wednesday
Mostly sunny, with a high near 30. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 16. West wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 21. West northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. Patchy blowing snow after 11pm. Low around 4. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Friday
Snow likely. Areas of blowing snow. Mostly cloudy and cold, with a high near 10. Windy. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow. Areas of blowing snow. Mostly cloudy, with a low around 2. Windy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 18. Windy.
Saturday Night
Mostly clear, with a low around 11. Breezy.
Sunday
Sunny, with a high near 30. Breezy.
Sunday Night
Mostly clear, with a low around 15. Breezy.
Monday
Mostly sunny, with a high near 29. Breezy.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
Mostly sunny, with a high near 26. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
2:51 pm MST Jan 6, 2026
Forecast Valid:
1am MST Jan 7, 2026-6pm MST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation