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Aug 16-17, 2025: Severe Weather and Flash Flooding

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Overcast

73°F

23°C

Humidity	94%
Wind Speed	SW 6 mph
Barometer	29.95 in (1013.8 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	19 Aug 5:51 am CDT

More Information:

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

Extended Forecast for

3 Miles ESE Harwood Heights IL

Flood Advisory August 19, 06:15am until August 19, 10:30am

Click here for hazard details and duration

...

Flood Advisory August 19, 06:15am until August 19, 10:30am
NOW until 10:30am Tue
Flood Advisory
Today
High: 77 °F
Slight Chance
T-storms then
Mostly Cloudy
Tonight
Low: 68 °F
Chance
Sprinkles
Wednesday
High: 77 °F
Chance
Sprinkles
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 77. West wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

Tonight

A chance of sprinkles after 4am. Mostly cloudy, with a low around 68. North wind around 10 mph.

Wednesday

A chance of sprinkles before 1pm. Mostly sunny, with a high near 77. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly clear, with a low around 67. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Sunny, with a high near 79. Northeast wind around 10 mph, with gusts as high as 15 mph.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 84.