Yes
you do need a jacket based on the weather in Lewistown Municipal Airport, 1601 D St, Lewistown, MT 59457, USA 1 second ago
Why? Because it's bitterly cold.
50°F10°C & Cloudy
Wind is 4 mph6 km/h from the E, gusting to 10 mph16 km/h
| April 26 | ||||
| 3am | 49°F10°C | 4 mph6 km/h W | Cloudy | |
| 4am | 47°F9°C | 3 mph5 km/h W | Mostly Cloudy | |
| 5am | 45°F7°C | 4 mph6 km/h NW | Mostly Cloudy | |
| 6am | 44°F6°C | 4 mph6 km/h S | Partly Cloudy | |
| 7am | 43°F6°C | 4 mph7 km/h SW | Mostly Cloudy | |
| 8am | 41°F5°C | 4 mph7 km/h SW | Mostly Cloudy | |
| 9am | 43°F6°C | 4 mph7 km/h SW | Cloudy | |
| 10am | 46°F8°C | 5 mph7 km/h W | Cloudy | |
| 11am | 48°F9°C | 5 mph8 km/h W | Cloudy | |
| 12pm | 50°F10°C | 6 mph9 km/h NW | Cloudy | |
| 1pm | 54°F12°C | 6 mph10 km/h NW | Cloudy | |
| 2pm | 57°F14°C | 6 mph10 km/h NW | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 41°F5°C | 59°F15°C | 6 mph9 km/h from N | Cloudy | Mostly Cloudy |
| April 27 | 40°F4°C | 61°F16°C | 13 mph21 km/h from SE | Mostly Cloudy | Mostly Cloudy |
| April 28 | 39°F4°C | 61°F16°C | 7 mph11 km/h from NW | Mostly Cloudy | Mostly Cloudy |
| April 29 | 39°F4°C | 58°F14°C | 10 mph16 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 30 | 31°F-1°C | 53°F12°C | 18 mph30 km/h from W | Windy | Partly Cloudy |
| May 1 | 31°F-1°C | 47°F9°C | 11 mph18 km/h from NW | Mostly Cloudy | Partly Cloudy |
| May 2 | 29°F-2°C | 60°F15°C | 5 mph8 km/h from NW | Mostly Clear | Partly Cloudy |
Yes
Low of 40°F5°C, High of 61°F16°CWind: 13 mph21 km/h
Precipitation: None