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

  • This Afternoon

    This Afternoon: Sunny, with a high near 26. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 16 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 26. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 19. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 51. Breezy.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
1:21 pm CST Feb 23, 2026
Forecast Valid:
1pm CST Feb 23, 2026-6pm CST Mar 1, 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