Yes

you do need a jacket based on the weather in Chicago Heights, IL, USA 1 second ago

Why? Because it's FREEZING out there!
29°F-2°C & Clear

Wind is 4 mph7 km/h from the W, gusting to 9 mph15 km/h
March 28
6am29°F-2°C5 mph8 km/h SWClear
7am28°F-2°C5 mph7 km/h SWClear
8am29°F-2°C4 mph7 km/h SWPartly Cloudy
9am31°F-0°C5 mph9 km/h SWPartly Cloudy
10am35°F2°C6 mph10 km/h SWMostly Cloudy
11am38°F3°C8 mph12 km/h SWMostly Cloudy
12pm41°F5°C9 mph14 km/h SWMostly Cloudy
1pm44°F7°C10 mph17 km/h SWPartly Cloudy
2pm47°F8°C11 mph17 km/h WPartly Cloudy
3pm50°F10°C12 mph19 km/h WPartly Cloudy
4pm52°F11°C12 mph20 km/h WPartly Cloudy
5pm53°F12°C12 mph19 km/h WMostly Clear
DateLowHighWindDayNight
March 2828°F-2°C53°F12°C9 mph15 km/h from WPartly CloudyPartly Cloudy
March 2933°F1°C59°F15°C5 mph9 km/h from EMostly CloudyRain
March 3043°F6°C62°F16°C10 mph16 km/h from NWMostly CloudyMostly Cloudy
March 3137°F3°C51°F11°C8 mph12 km/h from ECloudyDrizzle
April 142°F6°C58°F15°C9 mph15 km/h from ERainRain
April 238°F4°C48°F9°C14 mph22 km/h from NDrizzlePartly Cloudy
April 332°F0°C53°F12°C12 mph19 km/h from NWPartly CloudyPartly Cloudy

Yes

Low of 33°F1°C, High of 59°F15°C
Wind: 5 mph9 km/h
Precipitation: None

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