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.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 3.00 mi
Wind Chill41°F (5°C)
Last update 10 Apr 5:15 am CDT
Extended Forecast for

Marengo IL

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 42. East northeast wind around 10 mph.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 52. North northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 48. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 50%.

    High: 74 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 42. East northeast wind around 10 mph.
Friday
A 40 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 52. North northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming east southeast after midnight.
Saturday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 48. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Breezy.
Monday
Partly sunny, with a high near 76.
Monday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 63.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Breezy.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51.
Thursday
A chance of showers. Mostly sunny, with a high near 75.
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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:
5:21 am CDT Apr 10, 2026
Forecast Valid:
5am CDT Apr 10, 2026-6pm CDT Apr 16, 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