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/Mist

64°F

18°C

Humidity 100%
Wind Speed SW 9 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Last update 13 Apr 9:35 am CDT
Extended Forecast for

Marengo IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 59 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    T-storms then
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 71. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 53.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 80.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
5:46 am CDT Apr 13, 2026
Forecast Valid:
9am CDT Apr 13, 2026-6pm CDT Apr 19, 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