Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

77°F

25°C

Humidity	90%
Wind Speed	SW 6 mph
Barometer	29.87 in (1010.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	10 Aug 1:53 am CDT

More Information:

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

Extended Forecast for

Darien IL

Severe T-storm Watch until August 10, 04:00am

Flood Watch August 10, 02:01am until August 10, 07:00am

Click here for hazard details and duration

Severe T-storm Watch

Flood Watch

Severe T-storm Watch until August 10, 04:00am
Flood Watch August 10, 02:01am until August 10, 07:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 73 °F
T-storms
Likely
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 70 °F
Chance
T-storms
Tuesday
High: 83 °F
T-storms
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 84 °F
Chance
Showers
Wednesday Night
Low: 70 °F
Slight Chance
Showers
Thursday
High: 79 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Overnight

Showers and thunderstorms likely, mainly before 3am. Cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 85. Southwest wind around 5 mph becoming southeast in the afternoon.

Monday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind around 5 mph.

Tuesday

Showers and thunderstorms likely, mainly between 10am and noon. Mostly cloudy, with a high near 83. Southeast wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind around 5 mph. Chance of precipitation is 60%.

Wednesday

A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Wednesday Night

A 20 percent chance of showers before 1am. Partly cloudy, with a low around 70.

Thursday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 66.

Friday

A chance of showers before 1pm. Mostly cloudy, with a high near 76.

Friday Night

A chance of showers. Mostly cloudy, with a low around 64.

Saturday

A chance of showers. Partly sunny, with a high near 78.