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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marengo IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 34. East wind 5 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 22. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 45. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Isolated showers after midnight. Mostly cloudy, with a low around 32. East southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Cloudy, with a high near 44. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    High: 44 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 34. East wind 5 to 10 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 22. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 45. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Isolated showers after midnight. Mostly cloudy, with a low around 32. East southeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Showers likely, mainly before noon. Cloudy, with a high near 44. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 40.
Thursday
A chance of showers. Mostly cloudy, with a high near 56.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
Showers. Mostly cloudy, with a high near 67.
Friday Night
Showers likely. Mostly cloudy, with a low around 39.
Saturday
A chance of showers. Mostly cloudy, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
12:56 pm CST Mar 1, 2026
Forecast Valid:
2pm CST Mar 1, 2026-6pm CST Mar 7, 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