National Weather Service

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August 11, 2026: Derecho produces widespread wind damage and tornadoes across northern Illinois and northwest Indiana

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

73°F

23°C

Humidity	62%
Wind Speed	W 5 mph
Barometer	29.99 in (1015.2 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	17 Aug 7:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Wheaton IL

Tonight
Low: 62 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 65 °F
Showers
Likely
Wednesday
High: 78 °F
Partly Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 63 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 62. Northwest wind around 5 mph becoming south in the evening.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 65. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Partly sunny, with a high near 78. North northwest wind around 5 mph.

Wednesday Night

Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 79.

Thursday Night

Mostly clear, with a low around 61.

Friday

Mostly sunny, with a high near 79.

Friday Night

A chance of showers. Partly cloudy, with a low around 63.