Yes

you do need a jacket based on the weather in Lee's Summit, MO, USA 1 second ago

Why? Because it's windy enough to give you a brand new hairdo!
73°F23°C & Cloudy

Wind is 11 mph18 km/h from the Southwest, gusting to 21 mph33 km/h
June 7
3pm73°F23°C12 mph20 km/h WestDrizzle
4pm74°F23°C14 mph23 km/h NorthwestPartly Cloudy
5pm72°F22°C12 mph19 km/h NorthPartly Cloudy
6pm72°F22°C9 mph14 km/h NorthPartly Cloudy
7pm72°F22°C6 mph9 km/h NorthPartly Cloudy
8pm72°F22°C5 mph9 km/h NorthMostly Clear
9pm70°F21°C5 mph8 km/h NorthMostly Clear
10pm68°F20°C3 mph5 km/h NorthClear
11pm66°F19°C2 mph3 km/h NorthClear
June 8
12am65°F18°C0 mph1 km/h NorthClear
1am64°F18°C1 mph1 km/h SoutheastClear
2am62°F17°C2 mph3 km/h SouthClear
DateLowHighWindDayNight
June 764°F18°C74°F24°C8 mph13 km/h from WestThunderstormsClear
June 860°F15°C81°F27°C9 mph14 km/h from NorthwestPartly CloudyDrizzle
June 956°F14°C79°F26°C10 mph17 km/h from WestClearClear
June 1056°F13°C82°F28°C5 mph8 km/h from WestClearClear
June 1162°F16°C87°F30°C9 mph14 km/h from SouthMostly ClearPartly Cloudy
June 1266°F19°C82°F28°C9 mph15 km/h from SouthCloudyDrizzle
June 1367°F19°C81°F27°C6 mph10 km/h from SouthDrizzleDrizzle

No

Low of 60°F16°C, High of 81°F27°C
Wind: 9 mph14 km/h
Precipitation: 26% rain

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