Yes

you do need a jacket based on the weather in Florissant, MO 63033, USA 1 second ago

Why? Because your nose hairs will turn into tiny icicles and it's windy enough to give you a brand new hairdo!
26°F-3°C & Partly Cloudy

Wind is 11 mph18 km/h from the Northwest, gusting to 22 mph35 km/h
January 6
3pm26°F-3°C12 mph19 km/h NorthwestCloudy
4pm27°F-3°C11 mph18 km/h NorthwestMostly Cloudy
5pm26°F-3°C11 mph17 km/h NorthwestMostly Cloudy
6pm24°F-4°C10 mph15 km/h NorthwestMostly Cloudy
7pm23°F-5°C9 mph14 km/h NorthwestPartly Cloudy
8pm21°F-6°C8 mph13 km/h NorthwestPartly Cloudy
9pm20°F-6°C7 mph12 km/h NorthwestPartly Cloudy
10pm20°F-7°C7 mph11 km/h NorthwestPartly Cloudy
11pm19°F-7°C6 mph10 km/h NorthwestPartly Cloudy
January 7
12am18°F-8°C6 mph10 km/h NorthwestPartly Cloudy
1am17°F-8°C5 mph9 km/h NorthwestPartly Cloudy
2am16°F-9°C5 mph8 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
January 617°F-8°C27°F-3°C10 mph16 km/h from NorthwestMostly CloudyPartly Cloudy
January 711°F-12°C25°F-4°C5 mph9 km/h from NorthwestPartly CloudyMostly Clear
January 88°F-13°C22°F-5°C7 mph12 km/h from WestClearClear
January 94°F-16°C26°F-4°C4 mph6 km/h from SoutheastMostly ClearCloudy
January 1017°F-8°C29°F-2°C4 mph7 km/h from SoutheastSnowCloudy
January 1124°F-5°C33°F0°C6 mph9 km/h from WestMostly CloudyMostly Cloudy
January 1223°F-5°C35°F2°C8 mph13 km/h from SouthwestMostly CloudyPartly Cloudy

Yes

Low of 11°F-12°C, High of 25°F-4°C
Wind: 5 mph9 km/h
Precipitation: None

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