Yes

you do need a jacket based on the weather in Brookings, SD 57006, USA 1 second ago

Why? Because sound's like a thunderstorm is brewing!
74°F24°C & Thunderstorms

Wind is 9 mph15 km/h from the East, gusting to 15 mph24 km/h
June 28
11am75°F24°C11 mph18 km/h EastThunderstorms
12pm79°F26°C13 mph21 km/h SoutheastClear
1pm82°F28°C15 mph24 km/h SouthClear
2pm85°F29°C16 mph27 km/h SouthWindy
3pm87°F30°C17 mph28 km/h SouthWindy
4pm87°F31°C18 mph29 km/h SouthWindy
5pm88°F31°C18 mph28 km/h SouthWindy
6pm89°F32°C17 mph27 km/h SouthWindy
7pm87°F31°C15 mph24 km/h SouthwestPartly Cloudy
8pm85°F29°C12 mph19 km/h SouthwestPartly Cloudy
9pm81°F27°C11 mph18 km/h SouthwestPartly Cloudy
10pm77°F25°C10 mph17 km/h SouthPartly Cloudy
DateLowHighWindDayNight
June 2869°F21°C89°F32°C14 mph22 km/h from SouthThunderstormsMostly Cloudy
June 2966°F19°C80°F27°C8 mph13 km/h from NorthThunderstormsMostly Clear
June 3062°F17°C78°F26°C13 mph21 km/h from NorthwestClearClear
July 159°F15°C82°F28°C6 mph10 km/h from WestMostly ClearRain
July 263°F17°C85°F30°C7 mph11 km/h from SouthPartly CloudyMostly Clear
July 365°F18°C84°F29°C11 mph18 km/h from SoutheastMostly ClearMostly Cloudy
July 470°F21°C86°F30°C14 mph23 km/h from SouthThunderstormsRain

No

Low of 66°F19°C, High of 80°F27°C
Wind: 8 mph13 km/h
Precipitation: 52% rain

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