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

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

75°F

24°C

Humidity 58%
Wind Speed W 8 mph
Barometer 29.89 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Oct 4:15 pm CDT
Extended Forecast for

Marengo IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 9pm and 4am. Increasing clouds, with a low around 58. North northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 7am. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Cloudy, with a low around 44. East wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 9pm and 4am. Increasing clouds, with a low around 58. North northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Wednesday
Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Showers, mainly after 7am. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely before 1am. Cloudy, with a low around 44. East wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 56. Breezy.
Friday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 32.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.59°W
Last Update:
3:17 pm CDT Oct 13, 2026
Forecast Valid:
4pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation