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

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

53°F

12°C

Humidity 88%
Wind Speed SE 7 mph
Barometer 30.04 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Oct 3:15 am CDT
Extended Forecast for

Union IL

  • Overnight

    Overnight: Mostly clear, with a low around 51. South southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 61. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 51. South southeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Sunday Night
Increasing clouds, with a low around 61. South wind around 5 mph, with gusts as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 68. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 56.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union IL
 42.24°N 88.53°W
Last Update:
3:21 am CDT Oct 11, 2026
Forecast Valid:
3am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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