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

70°F

21°C

Humidity 38%
Wind Speed SW 17 mph
Barometer 29.60 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 4 May 10:55 am CDT
Extended Forecast for

Marengo IL

  • Today

    Today: Sunny, with a high near 78. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Mostly cloudy, with a low around 47. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Mostly cloudy, with a low around 47. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 38. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 56. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.59°W
Last Update:
9:46 am CDT May 4, 2026
Forecast Valid:
11am CDT May 4, 2026-6pm CDT May 10, 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