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September 2025 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.

Mostly Cloudy

72°F

22°C

Humidity	73%
Wind Speed	Calm
Barometer	30.02 in (1016.2 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	6 Oct 6:52 pm CDT

More Information:

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

Extended Forecast for

2 Miles WNW West Chicago IL

Tonight
Low: 56 °F
Showers
Likely
Tuesday
High: 67 °F
Chance
Showers then
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 41 °F
Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
Friday
High: 67 °F
Mostly Sunny
Friday Night
Low: 47 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely before 4am, then showers likely between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 56. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A 30 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 44. North wind around 5 mph, with gusts as high as 10 mph.

Wednesday

Sunny, with a high near 64. East northeast wind 5 to 10 mph.

Wednesday Night

Clear, with a low around 41. East northeast wind 5 to 10 mph.

Thursday

Sunny, with a high near 65.

Thursday Night

Mostly clear, with a low around 42.

Friday

Mostly sunny, with a high near 67.