No

you don't need a jacket based on the weather in Illinois, USA 1 second ago

87°F30°C & Windy

Wind is 17 mph27 km/h from the SW, gusting to 29 mph46 km/h
June 22
2pm88°F31°C17 mph27 km/h SWWindy
3pm89°F31°C17 mph27 km/h SWWindy
4pm89°F32°C16 mph26 km/h SWWindy
5pm90°F32°C16 mph26 km/h SWWindy
6pm90°F32°C15 mph25 km/h SWWindy
7pm89°F32°C16 mph25 km/h SWWindy
8pm87°F31°C14 mph23 km/h SWMostly Clear
9pm84°F29°C12 mph19 km/h SWMostly Cloudy
10pm83°F28°C13 mph20 km/h SWMostly Cloudy
11pm80°F26°C12 mph20 km/h SWMostly Cloudy
June 23
12am77°F25°C13 mph20 km/h SWThunderstorms
1am75°F24°C12 mph19 km/h WThunderstorms
DateLowHighWindDayNight
June 2273°F23°C90°F32°C14 mph22 km/h from SWPartly CloudyThunderstorms
June 2370°F21°C86°F30°C10 mph16 km/h from NWMostly ClearMostly Clear
June 2467°F19°C89°F32°C6 mph9 km/h from SMostly ClearClear
June 2573°F23°C94°F35°C12 mph20 km/h from SWPartly CloudyThunderstorms
June 2667°F19°C85°F30°C10 mph16 km/h from NPartly CloudyMostly Clear
June 2761°F16°C80°F27°C7 mph11 km/h from EMostly ClearPartly Cloudy
June 2862°F16°C84°F29°C10 mph17 km/h from SDrizzleDrizzle

No

Low of 71°F22°C, High of 86°F30°C
Wind: 10 mph16 km/h
Precipitation: None

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