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August 11, 2026: Powerful Derecho Produces Widespread Wind Damage and Tornadoes Across Northern Illinois and Northwest Indiana

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

76°F

24°C

Humidity	50%
Wind Speed	NE 6 mph
Barometer	30.09 in (1018.5 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	20 Aug 10:52 am CDT

More Information:

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

Extended Forecast for

Techny IL

Today
High: 76 °F
Sunny
Tonight
Low: 62 °F
Partly Cloudy
Friday
High: 80 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 65 °F
Chance
T-storms
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 61 °F
Partly Cloudy
Monday
High: 76 °F
Mostly Sunny

Detailed Forecast

Today

Sunny, with a high near 76. Northeast wind around 5 mph.

Tonight

Partly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Night

A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southwest wind around 5 mph, with gusts as high as 10 mph.

Saturday

Mostly sunny, with a high near 76. North northwest wind around 10 mph, with gusts as high as 20 mph.

Saturday Night

Mostly clear, with a low around 63.

Sunday

Sunny, with a high near 73.

Sunday Night

Partly cloudy, with a low around 61.

Monday

Mostly sunny, with a high near 76.

Monday Night

Partly cloudy, with a low around 62.