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

47°F

8°C

Humidity 48%
Wind Speed NW 20 G 28 mph
Barometer 30.19 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 5 Apr 1:15 pm CDT
Extended Forecast for

Marengo IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Scattered showers between 10pm and 2am. Mostly cloudy, with a low around 35. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Scattered
    Showers

  • Monday

    Monday: Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Breezy.

    High: 64 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Scattered showers between 10pm and 2am. Mostly cloudy, with a low around 35. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 23. North wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 64. Breezy.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Partly sunny, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40.
Saturday
A chance of showers. Partly sunny, with a high near 62.
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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:
1:20 pm CDT Apr 5, 2026
Forecast Valid:
1pm CDT Apr 5, 2026-6pm CDT Apr 11, 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