No
you don't need a jacket based on the weather in Great Falls, MT, USA 1 second ago
61°F16°C & Mostly Cloudy
Wind is 10 mph16 km/h from the North, gusting to 14 mph23 km/h
| May 4 | ||||
| 12pm | 61°F16°C | 11 mph18 km/h North | Mostly Clear | |
| 1pm | 63°F17°C | 12 mph19 km/h North | Partly Cloudy | |
| 2pm | 64°F18°C | 12 mph19 km/h North | Cloudy | |
| 3pm | 64°F18°C | 13 mph20 km/h North | Mostly Cloudy | |
| 4pm | 64°F18°C | 14 mph23 km/h North | Mostly Cloudy | |
| 5pm | 63°F17°C | 16 mph25 km/h North | Windy | |
| 6pm | 62°F17°C | 16 mph26 km/h North | Windy | |
| 7pm | 59°F15°C | 16 mph26 km/h North | Windy | |
| 8pm | 58°F14°C | 15 mph24 km/h North | Cloudy | |
| 9pm | 54°F12°C | 13 mph21 km/h North | Cloudy | |
| 10pm | 51°F11°C | 12 mph19 km/h Northwest | Cloudy | |
| 11pm | 49°F9°C | 11 mph17 km/h Northwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 4 | 45°F7°C | 64°F18°C | 12 mph20 km/h from North | Drizzle | Rain |
| May 5 | 40°F4°C | 50°F10°C | 9 mph14 km/h from Northeast | Rain | Clear |
| May 6 | 34°F1°C | 61°F16°C | 8 mph13 km/h from East | Mostly Clear | Clear |
| May 7 | 39°F4°C | 74°F23°C | 11 mph18 km/h from Southwest | Clear | Clear |
| May 8 | 51°F10°C | 75°F24°C | 11 mph18 km/h from West | Mostly Clear | Mostly Clear |
| May 9 | 42°F5°C | 75°F24°C | 6 mph10 km/h from East | Clear | Mostly Clear |
| May 10 | 48°F9°C | 84°F29°C | 5 mph8 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 40°F5°C, High of 51°F11°CWind: 9 mph14 km/h
Precipitation: 68% rain