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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

44°F

7°C

Humidity 65%
Wind Speed N 7 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 Nov 12:51 pm CST
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 48. North wind around 5 mph.

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind around 5 mph.

    Low: 31 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. West northwest wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 46.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Cloudy, with a high near 48. North wind around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 50. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 36. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 54. West northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 25.
Thanksgiving Day
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.43°N 87.87°W
Last Update:
12:31 pm CST Nov 21, 2025
Forecast Valid:
1pm CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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Additional Resources

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Chance of Precipitation