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

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

46°F

8°C

Humidity 78%
Wind Speed N 8 mph
Barometer 30.00 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 Nov 12:35 pm CST
Extended Forecast for

Union IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 47. North wind around 5 mph.

    High: 47 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 27. North northeast wind around 5 mph becoming calm after midnight.

    Low: 27 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. West northwest wind around 5 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 47. North wind around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 27. North northeast wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 49. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 32. 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 54. West northwest wind around 5 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 37.
Monday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 39. Breezy.
Wednesday Night
Mostly cloudy, with a low around 22.
Thanksgiving Day
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union IL
 42.24°N 88.56°W
Last Update:
12:31 pm CST Nov 21, 2025
Forecast Valid:
12pm 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