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.

Mostly Cloudy

28°F

-2°C

Humidity 74%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Nov 3:55 pm CST
Extended Forecast for

Marengo IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Snow, mainly after 2pm. High near 25. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 25 °F

    Cloudy then
    Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 13. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 13 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 22. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 14. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Cloudy, with a high near 31.

    High: 31 °F

    Cloudy then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -7.

    Low: -7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.
Monday
Snow, mainly after 2pm. High near 25. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Monday Night
Snow, mainly before midnight. Low around 13. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 22. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Cloudy, with a low around 14. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow after noon. Cloudy, with a high near 31.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1.
Thursday
Sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -7.
Friday
Mostly cloudy, with a high near 21.
Friday Night
A chance of snow. Mostly cloudy, with a low around 12.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16.
Sunday
Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
3:11 pm CST Nov 30, 2025
Forecast Valid:
4pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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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