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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

41°F

5°C

Humidity 49%
Wind Speed NW 5 mph
Barometer 29.94 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Jan 8:15 am MST
Extended Forecast for

4 Miles SW Boulder CO

  • New Year's Day

    New Year's Day: A slight chance of rain between noon and 2pm. Cloudy, with a high near 56. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 56 °F

    Cloudy then
    Slight Chance
    Rain

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 39. West wind 9 to 11 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of rain and snow before 4pm. Partly sunny, with a high near 50. West northwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. West wind around 14 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. West wind 6 to 11 mph becoming light west southwest. Winds could gust as high as 17 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
A slight chance of rain between noon and 2pm. Cloudy, with a high near 56. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 39. West wind 9 to 11 mph, with gusts as high as 15 mph.
Friday
A slight chance of rain and snow before 4pm. Partly sunny, with a high near 50. West northwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 36. West wind around 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 55. West wind 6 to 11 mph becoming light west southwest. Winds could gust as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 38. Breezy.
Sunday
Mostly sunny, with a high near 55. Breezy.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Boulder CO
 39.98°N 105.3°W (Elev. 7772 ft)
Last Update:
3:26 am MST Jan 1, 2026
Forecast Valid:
8am MST Jan 1, 2026-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation