Severe Weather in the Central Plains; Heavy Rainfall in the Tennessee Valley; Critical Fire Weather in the West

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains this evening. Heavy to excessive rainfall may bring a flooding threat from the Great Lakes to the Mid-South through tonight. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 9 Jun 1:55 am CDT
Extended Forecast for

Marengo IL

  • Overnight

    Overnight: A slight chance of showers and thunderstorms, then a chance of showers after 4am.  Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm.  Partly sunny, with a high near 84. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 99. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 70. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 1pm.  High near 88. Chance of precipitation is 90%.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am.  Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 84. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 99. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms, mainly after 1pm. High near 88. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
Saturday Night
A chance of showers. Partly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A chance of showers. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
1:21 am CDT Jun 9, 2026
2am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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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