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

Wind Advisory until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until February 20, 04:00pm

    NOW until 4:00pm Fri

    Wind Advisory

  • Today

    High: 35 °F⇓

    Breezy.
    Rain/Snow
    Likely then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

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

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

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

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Today
Rain and snow likely before 10am, then a chance of snow between 10am and noon. Cloudy, with a temperature falling to around 32 by 9am. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a low around 23. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 35. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
5:06 am CST Feb 20, 2026
Forecast Valid:
6am CST Feb 20, 2026-6pm CST Feb 26, 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