Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

88°F

31°C

Humidity	75%
Wind Speed	SW 17 G 23 mph
Barometer	29.76 in (1006.4 mb)
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	27 Jul 10:53 am CDT

More Information:

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

Extended Forecast for

Westchester IL

Heat Advisory July 27, 11:10am until July 27, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 27, 11:10am until July 27, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Today
High: 92 °F
Slight Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms then
Mostly Cloudy
Tuesday
High: 79 °F
Partly Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 92. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Tonight

A 30 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 71. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

Tuesday

Partly sunny, with a high near 79. North wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 66. North wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 82. North northeast wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 66.

Thursday

Sunny, with a high near 85.

Thursday Night

Partly cloudy, with a low around 70.