Lewistown Airport (LWT) Weather 08/29/2025
Tonight
51
Chance Showers
Friday
72
Slight Chance Showers then Sunny
Friday Night
46
Mostly Clear
Saturday
77
Sunny
Saturday Night
47
Mostly Clear
Sunday
76
Sunny
Sunday Night
47
Partly Cloudy
Monday
77
Sunny
Monday Night
48
Partly Cloudy
Tuesday
81
Sunny
Tuesday Night
52
Partly Cloudy
Wednesday
81
Mostly Sunny
Wednesday Night
53
Slight Chance T-storms then Partly Cloudy
Weekly Forecast
Tonight
A 30 percent chance of showers, mainly between midnight and 4am. Mostly cloudy, with a low around 51. East southeast wind 3 to 6 mph.
Friday
A 20 percent chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming north 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 46. North northeast wind 6 to 8 mph becoming east southeast in the evening.
Saturday
Sunny, with a high near 77. East wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 47. East wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 76. East wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 47. East wind 6 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.