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

46°F

8°C

Humidity 63%
Wind Speed NW 3 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Nov 11:51 am CST
Extended Forecast for

2 Miles ESE Waukegan IL

  • Today

    Today: Mostly cloudy, with a high near 48. North wind around 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind around 5 mph.

    Low: 32 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °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 47.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 48. North wind around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 49. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 53. West northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
Mostly clear, with a low around 40.
Monday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 26.
Thanksgiving Day
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Waukegan IL
 42.37°N 87.85°W
Last Update:
10:17 am CST Nov 21, 2025
Forecast Valid:
11am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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