Yes
you do need a jacket based on the weather in Ottawa, IL, USA 1 second ago
Why? Because a thunderstorm is picking up!
64°F18°C & Thunderstorms
Wind is 11 mph18 km/h from the South, gusting to 18 mph29 km/h
| March 19 | ||||
| 1pm | 64°F18°C | 11 mph18 km/h South | Thunderstorms | |
| 2pm | 63°F17°C | 13 mph22 km/h South | Rain | |
| 3pm | 63°F17°C | 13 mph22 km/h South | Thunderstorms | |
| 4pm | 64°F18°C | 14 mph22 km/h South | Thunderstorms | |
| 5pm | 64°F18°C | 15 mph24 km/h South | Thunderstorms | |
| 6pm | 59°F15°C | 13 mph21 km/h South | Thunderstorms | |
| 7pm | 58°F14°C | 12 mph19 km/h Southwest | Rain | |
| 8pm | 55°F13°C | 12 mph19 km/h West | Rain | |
| 9pm | 51°F11°C | 11 mph18 km/h Northwest | Rain | |
| 10pm | 47°F8°C | 14 mph22 km/h Northwest | Drizzle | |
| 11pm | 43°F6°C | 14 mph23 km/h North | Drizzle | |
| March 20 | ||||
| 12am | 40°F5°C | 15 mph24 km/h North | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 19 | 38°F3°C | 64°F18°C | 12 mph19 km/h from South | Thunderstorms | Rain |
| March 20 | 31°F-0°C | 43°F6°C | 16 mph25 km/h from Northwest | Windy | Mostly Clear |
| March 21 | 30°F-1°C | 55°F13°C | 17 mph27 km/h from Southwest | Windy | Mostly Cloudy |
| March 22 | 33°F0°C | 48°F9°C | 8 mph14 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| March 23 | 35°F2°C | 54°F12°C | 17 mph27 km/h from South | Rain | Windy |
| March 24 | 32°F0°C | 44°F7°C | 18 mph29 km/h from West | Windy | Mostly Clear |
| March 25 | 30°F-1°C | 42°F6°C | 8 mph12 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 31°F-1°C, High of 43°F6°CWind: 16 mph25 km/h
Precipitation: None