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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

10°F

-12°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 30.57 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 29 Dec 8:15 pm MST
Extended Forecast for

4 Miles NE LONG'S PEAK CO

  • Tonight

    Tonight: Clear, with a steady temperature around 25. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Clear then
    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 38. Breezy, with a west wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 38 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 31. Breezy, with a west wind 11 to 20 mph, with gusts as high as 38 mph.

    Low: 31 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Breezy, with a west wind 13 to 20 mph, with gusts as high as 39 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 18 mph, with gusts as high as 34 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Clear, with a steady temperature around 25. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 38. Breezy, with a west wind 9 to 18 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a steady temperature around 31. Breezy, with a west wind 11 to 20 mph, with gusts as high as 38 mph.
Wednesday
Mostly sunny, with a high near 45. Breezy, with a west wind 13 to 20 mph, with gusts as high as 39 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 18 mph, with gusts as high as 34 mph.
New Year's Day
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 42. Breezy.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 34. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 40. Breezy.
Friday Night
Mostly cloudy, with a low around 31. Breezy.
Saturday
Mostly sunny, with a high near 43. Breezy.
Saturday Night
Mostly clear, with a low around 28. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 40. Breezy.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 25. Breezy.
Monday
A slight chance of snow. Mostly sunny, with a high near 36. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE LONG'S PEAK CO
 40.29°N 105.56°W (Elev. 9678 ft)
Last Update:
2:01 pm MST Dec 29, 2025
Forecast Valid:
8pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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