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

64°F

18°C

Humidity 83%
Wind Speed SW 10 mph
Barometer 29.78 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 31 Mar 12:55 pm CDT
Extended Forecast for

Marengo IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 67. West southwest wind around 15 mph becoming northwest. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 34. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    T-storms then
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 45. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 62. Breezy.

    High: 62 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 67. West southwest wind around 15 mph becoming northwest. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 34. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 45. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 43. Breezy.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 66.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 46.
Saturday
Showers likely. Mostly cloudy, with a high near 62. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 52.
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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:
1:11 pm CDT Mar 31, 2026
Forecast Valid:
1pm CDT Mar 31, 2026-6pm CDT Apr 6, 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