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.

Fair

29°F

-2°C

Humidity 92%
Wind Speed NA
Barometer 29.82 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 5 Jan 8:35 am CST
Extended Forecast for

Marengo IL

  • Today

    Today: Patchy fog before noon. Otherwise, partly sunny, with a high near 39. West southwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 39 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of drizzle and snow, mainly after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%.

    Low: 33 °F

    Patchy Fog
    then Chance
    Drizzle/Snow
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of snow before 10am, then a chance of drizzle between 10am and noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 41. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Drizzle/Snow
    and Patchy
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West southwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

Detailed Forecast

Today
Patchy fog before noon. Otherwise, partly sunny, with a high near 39. West southwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tonight
A chance of drizzle and snow, mainly after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%.
Tuesday
A chance of snow before 10am, then a chance of drizzle between 10am and noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 41. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 30. West wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 46. West southwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 49.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 36.
Friday
Rain likely. Mostly cloudy, with a high near 43.
Friday Night
Rain likely before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 29.
Saturday
A chance of snow. Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
7:04 am CST Jan 5, 2026
Forecast Valid:
8am CST Jan 5, 2026-6pm CST Jan 11, 2026
 
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Additional Resources

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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