Lewistown Municipal Airport (LWT) 15 Day Weather Forecast, Lewistown United States
Current weather conditions and 15 day weather forecast for Lewistown Municipal Airport in Lewistown, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at LWT
| 20 December 2025 Sat -7.8 ° C ( 18°F )  Clear |
Feels Like : -15.3 ° C / 4.5°F Humidity : % 80 Pressure : 1003 mb Wind Speed : 20.9 kmph / 13 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Lewistown Municipal Airport, Lewistown, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri | Sunny |
-4 ° C | 8.8 ° C | 3.6 ° C | % 52 | 47.5 km/h | 0% |
| 20 December 2025 Sat | Sunny |
-4.6 ° C | 1 ° C | -2.5 ° C | % 50 | 32.8 km/h | 0% |
| 21 December 2025 Sun |  Cloudy |
-5.7 ° C | 1.3 ° C | -2.3 ° C | % 63 | 16.6 km/h | 0% |
| 22 December 2025 Mon |  Partly Cloudy |
-1.7 ° C | 4.9 ° C | 1.1 ° C | % 78 | 28.1 km/h | 0% |
| 23 December 2025 Tue | Sunny |
-1.6 ° C | 6.6 ° C | 1.5 ° C | % 64 | 8.6 km/h | 0% |
| 24 December 2025 Wed | Cloudy |
2.8 ° C | 10.9 ° C | 5 ° C | % 59 | 20.9 km/h | 0% |
| 25 December 2025 Thu | Partly Cloudy |
-10.8 ° C | 4.4 ° C | -0.1 ° C | % 61 | 20.5 km/h | 0% |
| 26 December 2025 Fri |  Patchy moderate snow |
-13.6 ° C | -9.4 ° C | -11.4 ° C | % 81 | 8.6 km/h | 73% |
| 27 December 2025 Sat | Sunny |
-8.3 ° C | 2.9 ° C | -3.9 ° C | % 69 | 13 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-4.5 ° C | 3 ° C | -2.4 ° C | % 64 | 11.5 km/h | 0% |
| 29 December 2025 Mon | Sunny |
-6.1 ° C | 2.8 ° C | -3.1 ° C | % 53 | 10.1 km/h | 0% |
| 30 December 2025 Tue | Sunny |
-4.5 ° C | 5.2 ° C | -0.5 ° C | % 38 | 19.8 km/h | 0% |
| 31 December 2025 Wed | Partly Cloudy |
-3.1 ° C | 3.1 ° C | 0.3 ° C | % 50 | 47.5 km/h | 0% |
| 01 January 2026 Thu | Sunny |
-5 ° C | 2.2 ° C | -2.6 ° C | % 46 | 42.1 km/h | 0% |
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