Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Rain

76°F

24°C

Humidity	85%
Wind Speed	S 12 mph
Barometer	29.97 in (1013.9 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	30 Aug 10:53 pm CDT

More Information:

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

Extended Forecast for

Chicago Midway Airport IL

Tonight
Low: 74 °F
Chance
Showers
Monday
High: 89 °F
Slight Chance
T-storms
Monday Night
Low: 76 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Slight Chance
T-storms
Tuesday Night
Low: 77 °F
Partly Cloudy
Wednesday
High: 92 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Partly Cloudy
then Chance
T-storms
Thursday
High: 87 °F
Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

Monday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Partly cloudy, with a low around 77. South southwest wind around 5 mph, with gusts as high as 10 mph.

Wednesday

Mostly sunny, with a high near 92.

Wednesday Night

A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

Thursday

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Friday

Mostly sunny, with a high near 85.