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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marengo IL

  • Overnight

    Overnight: Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 4pm. Cloudy, with a high near 34. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 18. North wind 10 to 15 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 32. North northeast wind 5 to 10 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before midnight, then rain likely, possibly mixed with freezing rain between midnight and 3am, then rain likely after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Slight Chance
    Rain then
    Rain/Freezing
    Rain Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 42.

    High: 42 °F

    Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of snow, mainly before 4pm. Cloudy, with a high near 34. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 18. North wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 32. North northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 18. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Monday
Mostly sunny, with a high near 42.
Monday Night
A slight chance of rain before midnight, then rain likely, possibly mixed with freezing rain between midnight and 3am, then rain likely after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A chance of rain after noon. Mostly sunny, with a high near 50.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
12:21 am CST Feb 28, 2026
Forecast Valid:
12am CST Feb 28, 2026-6pm CST Mar 6, 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