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.

Overcast

24°F

-4°C

Humidity 84%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 1 Dec 12:35 pm CST
Extended Forecast for

Marengo IL

Winter Weather Advisory December 1, 02:00pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow with intermittent flurries between 1pm and 3pm, then snow after 3pm. High near 27. South southwest wind around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 27 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 13. South southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 32 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around -4.

    Low: -4 °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

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow with intermittent flurries between 1pm and 3pm, then snow after 3pm. High near 27. South southwest wind around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, mainly before 11pm. Low around 13. South southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 15. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of snow. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -4.
Thursday
Sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -7.
Friday
Partly sunny, with a high near 21.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
12:11 pm CST Dec 1, 2025
Forecast Valid:
12pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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