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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.

Thunderstorm Light Rain

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	29.98 in (1014.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 Aug 12:51 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 Watch August 19, 01:51am until August 19, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 19, 01:51am until August 19, 04:00am
NOW until 4:00am Tue
Flood Watch
Overnight
Low: 73 °F
Chance
T-storms
Tuesday
High: 85 °F
Chance
T-storms
Tuesday Night
Low: 70 °F
Mostly Cloudy
Wednesday
High: 78 °F
Partly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Thursday Night
Low: 66 °F
Clear
Friday
High: 85 °F
Sunny

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 85. West wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Mostly cloudy, with a low around 70. North wind around 10 mph.

Wednesday

Partly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly clear, with a low around 68. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Sunny, with a high near 80.

Thursday Night

Clear, with a low around 66.

Friday

Sunny, with a high near 85.