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July 2026 Climate Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

A Few Clouds

71°F

22°C

Humidity	96%
Wind Speed	S 5 mph
Barometer	30.01 in (1015.7 mb)
Dewpoint	70°F (21°C)
Visibility	8.00 mi
Last update	5 Aug 5:52 am CDT

More Information:

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

Extended Forecast for

Wheaton IL

Today
High: 80 °F
Chance
Showers then
Chance
T-storms
Tonight
Low: 66 °F
Showers
Likely then
Chance
T-storms
Thursday
High: 79 °F
Partly Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 82 °F
Partly Sunny
Friday Night
Low: 67 °F
Chance
T-storms
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
Showers
Sunday
High: 84 °F
Chance
T-storms

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tonight

Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Cloudy, with a low around 66. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.

Friday

Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Saturday

Mostly sunny, with a high near 84.

Saturday Night

A chance of showers after 1am. Partly cloudy, with a low around 67.