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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Freezing Fog

4°F

-16°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.62 in
Dewpoint 1°F (-17°C)
Visibility 0.50 mi
Last update 30 Dec 8:55 am MST
Extended Forecast for

Trail Ridge CO

  • Today

    Today: Sunny, with a high near 28. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 28 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Wind chill values as low as zero. Breezy, with a west wind 13 to 20 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Breezy, with a west wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: A 50 percent chance of snow, mainly after 11am. Cloudy, with a high near 31. Breezy, with a west wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 31 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 29. Breezy.

    High: 29 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 28. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 17. Wind chill values as low as zero. Breezy, with a west wind 13 to 20 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 35. Breezy, with a west wind 13 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 18 mph, with gusts as high as 26 mph.
New Year's Day
A 50 percent chance of snow, mainly after 11am. Cloudy, with a high near 31. Breezy, with a west wind 13 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Breezy.
Friday Night
Mostly cloudy, with a low around 21. Breezy.
Saturday
Mostly sunny, with a high near 32. Breezy.
Saturday Night
Partly cloudy, with a low around 17. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 28. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15. Breezy.
Monday
A slight chance of snow. Partly sunny, with a high near 25. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trail Ridge CO
 40.43°N 105.75°W (Elev. 11864 ft)
Last Update:
3:26 am MST Dec 30, 2025
Forecast Valid:
9am MST Dec 30, 2025-6pm MST Jan 5, 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