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

55°F

13°C

Humidity 77%
Wind Speed NW 5 mph
Barometer 29.87 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 24 Apr 11:35 pm CDT
Extended Forecast for

Marengo IL

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North northeast wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. East northeast wind 5 to 15 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. East wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 70%.

    High: 71 °F

    Chance
    T-storms then
    T-storms
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers and thunderstorms before 1am, then a slight chance of showers. Low around 49. Breezy. Chance of precipitation is 80%.

    Low: 49 °F

    T-storms and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. North northeast wind around 5 mph.
Saturday
Sunny, with a high near 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 42. East northeast wind 5 to 15 mph.
Sunday
Mostly sunny, with a high near 67. East wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 50. East wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms before 1am, then a slight chance of showers. Low around 49. Breezy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 62. Breezy.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, 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:
11:20 pm CDT Apr 24, 2026
Forecast Valid:
11pm CDT Apr 24, 2026-6pm CDT May 1, 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