Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

85°F

29°C

Humidity 39%
Wind Speed S 6 mph
Barometer 29.92 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 Jun 4:15 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then showers and thunderstorms likely after 1pm.  Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm.  Low around 66. West wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 10am.  High near 80. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 61. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. South wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 66. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 10am. High near 80. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
3:57 pm CDT Jun 16, 2025
4pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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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