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.

Fog

40°F

4°C

Humidity 100%
Wind Speed E 15 G 22 mph
Barometer 29.82 in
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Wind Chill32°F (0°C)
Last update 2 Apr 8:55 am CDT
Extended Forecast for

Marengo IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before noon. High near 68. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. West wind 5 to 10 mph becoming east in the afternoon.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 42. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 59 °F

    Breezy.
    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before noon. High near 68. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 42. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 32. Breezy.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 60. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
9:01 am CDT Apr 2, 2026
Forecast Valid:
9am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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Additional Resources

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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