Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next 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.

Overcast

79°F

26°C

Humidity	56%
Wind Speed	S 13 mph
Barometer	30.12 in (1019.2 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	29 Aug 12:53 pm CDT

More Information:

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

Extended Forecast for

Westchester IL

This Afternoon
High: 80 °F
Chance Light
Rain
Tonight
Low: 70 °F
Mostly Cloudy
then Slight
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms then
Partly Sunny
Sunday Night
Low: 74 °F
Mostly Cloudy
Monday
High: 92 °F
Partly Sunny
Monday Night
Low: 75 °F
Partly Cloudy
Tuesday
High: 93 °F
Mostly Sunny
Tuesday Night
Low: 77 °F
Partly Cloudy
Wednesday
High: 94 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of light rain before 3pm, then a chance of light rain with a slight chance of showers between 3pm and 4pm, then a chance of light rain after 4pm. Mostly cloudy, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Tonight

A 20 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. South wind 10 to 15 mph.

Sunday

A 30 percent chance of showers and thunderstorms, mainly between 7am and 10am. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Sunday Night

Mostly cloudy, with a low around 74. South southwest wind around 10 mph.

Monday

Partly sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 75.

Tuesday

Mostly sunny, with a high near 93.

Tuesday Night

Partly cloudy, with a low around 77.

Wednesday

Mostly sunny, with a high near 94.