Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. 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

71°F

22°C

Humidity	94%
Wind Speed	SW 7 mph
Barometer	29.94 in (1012.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	26 Jul 4:53 am CDT

More Information:

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

Extended Forecast for

Chicago ILSimilar City Names

Today
High: 90 °F
Decreasing
Clouds
Tonight
Low: 77 °F
Chance
T-storms
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 73 °F
Chance
T-storms
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 84 °F
Sunny

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 77. South southwest wind around 5 mph, with gusts as high as 10 mph.

Monday

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 103. Southwest wind 5 to 15 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

Monday Night

A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. West wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

Tuesday

Mostly sunny, with a high near 79. North wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 67.

Wednesday

Sunny, with a high near 78.

Wednesday Night

Mostly clear, with a low around 66.

Thursday

Sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 69.