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

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Fair

30°F

-1°C

Humidity 40%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 30 Dec 5:35 am MST
Extended Forecast for

Blue Valley CO

  • Today

    Today: Sunny, with a high near 40. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Breezy, with a west wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Breezy, with a west wind 11 to 17 mph, with gusts as high as 30 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Breezy, with a west wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 32 °F

    Mostly Cloudy
    then Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: Cloudy, with a high near 44. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 40. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 27. Breezy, with a west wind 9 to 17 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 47. Breezy, with a west wind 11 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Breezy, with a west wind 13 to 15 mph, with gusts as high as 26 mph.
New Year's Day
Cloudy, with a high near 44. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 41. Breezy.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Valley CO
 39.7°N 105.48°W (Elev. 9301 ft)
Last Update:
3:26 am MST Dec 30, 2025
Forecast Valid:
6am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation