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.

Light Snow

10°F

-12°C

Humidity 87%
Wind Speed Calm
Barometer 30.60 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 30 Dec 10:15 am MST
Extended Forecast for

7 Miles NW Arapahoe Peak CO

  • Today

    Today: Sunny, with a high near 27. West wind around 9 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind around 10 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. West wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am. Cloudy, with a high near 30. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.

    High: 29 °F

    Snow Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 27. West wind around 9 mph.
Tonight
Mostly clear, with a low around 18. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 34. West wind 8 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 15 mph.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 30. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 26. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A chance of snow. Partly sunny, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
A chance of snow. Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Arapahoe Peak CO
 40.08°N 105.74°W (Elev. 10371 ft)
Last Update:
3:26 am MST Dec 30, 2025
Forecast Valid:
10am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation