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

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

71°F

22°C

Humidity	57%
Wind Speed	NE 8 mph
Barometer	29.97 in (1014.4 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	19 Aug 11:51 pm CDT

More Information:

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

Extended Forecast for

2 Miles ENE Harwood Heights IL

Overnight
Low: 65 °F
Partly Cloudy
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Clear
Friday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 80 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 65. North northeast wind around 5 mph.

Thursday

Sunny, with a high near 78. Northeast wind around 5 mph.

Thursday Night

Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

Friday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Southwest wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 64.

Sunday

Mostly sunny, with a high near 77.

Sunday Night

Partly cloudy, with a low around 62.

Monday

Mostly sunny, with a high near 78.