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.

Fair

32°F

0°C

Humidity 50%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 30 Dec 3:35 pm MST
Extended Forecast for

5 Miles S Trail Ridge CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 22. West wind around 13 mph, with gusts as high as 21 mph.

    High: 22 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 15 to 21 mph, with gusts as high as 33 mph.

    Low: 16 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 31 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 18. Breezy, with a west wind around 18 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Increasing
    Clouds and
    Breezy

  • New Year's Day

    New Year's Day: Snow, mainly after 11am. High near 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

    High: 23 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Low around 21. Breezy. Chance of precipitation is 80%.

    Low: 21 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow. High near 23. Breezy. Chance of precipitation is 80%.

    High: 23 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Breezy.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. Breezy.

    High: 26 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 22. West wind around 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 15 to 21 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Increasing clouds, with a low around 18. Breezy, with a west wind around 18 mph, with gusts as high as 24 mph.
New Year's Day
Snow, mainly after 11am. High near 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Thursday Night
Snow. Low around 21. Breezy. Chance of precipitation is 80%.
Friday
Snow. High near 23. Breezy. Chance of precipitation is 80%.
Friday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 18. Breezy.
Saturday
Partly sunny, with a high near 26. Breezy.
Saturday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 15. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 24. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 19. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Trail Ridge CO
 40.35°N 105.74°W (Elev. 11824 ft)
Last Update:
2:21 pm MST Dec 30, 2025
Forecast Valid:
3pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation