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

2°F

-17°C

Humidity 83%
Wind Speed Calm
Barometer 30.61 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 30 Dec 6:35 am MST
Extended Forecast for

2 Miles WSW Berthoud Falls CO

  • Today

    Today: Sunny, with a high near 30. Wind chill values as low as zero. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. West northwest wind around 11 mph, with gusts as high as 23 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 33. West wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 33 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Breezy. Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 30. Wind chill values as low as zero. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 18. West wind 9 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 36. West northwest wind around 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 23 mph.
New Year's Day
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 33. West wind 10 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Breezy. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 17.
Sunday
A slight chance of snow. Mostly sunny, with a high near 30.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 15.
Monday
A slight chance of snow. Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Berthoud Falls CO
 39.77°N 105.83°W (Elev. 10397 ft)
Last Update:
3:26 am MST Dec 30, 2025
Forecast Valid:
6am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation