Yes
you do need a jacket based on the weather in Pierre, SD 57501, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
53°F11°C & Thunderstorms
Wind is 20 mph32 km/h from the SE, gusting to 34 mph55 km/h
| May 6 | ||||
| 9am | 53°F12°C | 20 mph33 km/h SE | Drizzle | |
| 10am | 54°F12°C | 23 mph37 km/h SE | Windy | |
| 11am | 55°F13°C | 24 mph39 km/h SE | Windy | |
| 12pm | 57°F14°C | 24 mph39 km/h SE | Windy | |
| 1pm | 59°F15°C | 25 mph40 km/h SE | Windy | |
| 2pm | 62°F16°C | 26 mph42 km/h SE | Windy | |
| 3pm | 65°F18°C | 29 mph46 km/h SE | Windy | |
| 4pm | 68°F20°C | 29 mph47 km/h SE | Windy | |
| 5pm | 70°F21°C | 28 mph46 km/h SE | Windy | |
| 6pm | 67°F20°C | 24 mph39 km/h SE | Thunderstorms | |
| 7pm | 67°F19°C | 21 mph33 km/h S | Windy | |
| 8pm | 65°F18°C | 19 mph31 km/h S | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 6 | 52°F11°C | 70°F21°C | 24 mph39 km/h from SE | Thunderstorms | Windy |
| May 7 | 46°F8°C | 60°F16°C | 23 mph38 km/h from W | Windy | Partly Cloudy |
| May 8 | 43°F6°C | 59°F15°C | 8 mph12 km/h from NW | Mostly Cloudy | Mostly Cloudy |
| May 9 | 45°F7°C | 67°F19°C | 14 mph22 km/h from N | Partly Cloudy | Mostly Cloudy |
| May 10 | 50°F10°C | 68°F20°C | 17 mph28 km/h from NW | Windy | Partly Cloudy |
| May 11 | 45°F7°C | 72°F22°C | 7 mph12 km/h from NW | Mostly Clear | Mostly Clear |
| May 12 | 50°F10°C | 77°F25°C | 10 mph16 km/h from N | Mostly Clear | Mostly Clear |
Yes
Low of 46°F8°C, High of 60°F16°CWind: 23 mph38 km/h
Precipitation: 20% rain