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

61°F

16°C

Humidity 84%
Wind Speed N 6 mph
Barometer 29.98 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 1:55 am CDT
Extended Forecast for

Marengo IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming northeast around 5 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 86. Calm wind becoming west southwest around 5 mph.

    High: 86 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Thursday
Increasing clouds, with a high near 86. Calm wind becoming west southwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm.
Friday
Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 74. Chance of precipitation is 70%.
Friday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Chance of precipitation is 80%.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
2:01 am CDT Jul 29, 2026
Forecast Valid:
2am CDT Jul 29, 2026-6pm CDT Aug 4, 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