Yes

you do need a jacket based on the weather in West Des Moines, IA, USA 1 second ago

Why? Because it's colder than a polar bear's pyjamas and it's really really huffing out there!
27°F-3°C & Windy

Wind is 18 mph29 km/h from the North, gusting to 33 mph53 km/h
January 18
12am27°F-3°C18 mph30 km/h NorthWindy
1am25°F-4°C19 mph30 km/h NorthWindy
2am23°F-5°C19 mph31 km/h NorthWindy
3am21°F-6°C19 mph30 km/h NorthWindy
4am20°F-7°C19 mph30 km/h NorthWindy
5am18°F-8°C18 mph28 km/h NorthWindy
6am16°F-9°C16 mph26 km/h NorthWindy
7am15°F-9°C16 mph26 km/h NorthWindy
8am15°F-10°C16 mph25 km/h NorthWindy
9am14°F-10°C15 mph25 km/h NorthWindy
10am14°F-10°C16 mph25 km/h NorthWindy
11am16°F-9°C16 mph25 km/h NorthWindy
DateLowHighWindDayNight
January 1725°F-4°C48°F9°C8 mph13 km/h from WestClearWindy
January 188°F-13°C25°F-4°C15 mph25 km/h from NorthWindyPartly Cloudy
January 19-1°F-18°C8°F-13°C14 mph22 km/h from NorthwestMostly ClearClear
January 20-4°F-20°C11°F-12°C13 mph21 km/h from NorthwestMostly ClearClear
January 21-8°F-22°C15°F-10°C7 mph11 km/h from SouthwestClearMostly Cloudy
January 2213°F-11°C34°F1°C9 mph15 km/h from WestMostly CloudyMostly Cloudy
January 2319°F-7°C27°F-3°C9 mph14 km/h from NorthwestMostly CloudyPartly Cloudy

Yes

Low of 9°F-13°C, High of 25°F-4°C
Wind: 15 mph25 km/h
Precipitation: None

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