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.

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

  • Today

    Today: Mostly cloudy, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of snow after 9pm. Cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: A chance of flurries before noon. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 27 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Wind chill values as low as -2. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 27. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 40 percent chance of snow after 9pm. Cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of flurries before noon. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values as low as -2. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 27. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 45.
Wednesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
4:06 am CST Feb 21, 2026
Forecast Valid:
8am CST Feb 21, 2026-6pm CST Feb 27, 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