Lewistown Airport (LWT) Weather 08/09/2025
Overnight
50
Slight Chance Showers
Saturday
70
Mostly Cloudy then Slight Chance T-storms and Breezy
Saturday Night
46
Slight Chance Showers then Mostly Clear
Sunday
77
Mostly Sunny
Sunday Night
51
Partly Cloudy
Monday
80
Sunny
Monday Night
55
Mostly Clear
Tuesday
86
Sunny
Tuesday Night
55
Partly Cloudy
Wednesday
85
Sunny
Wednesday Night
53
Slight Chance T-storms then Partly Cloudy
Thursday
78
Mostly Sunny then Slight Chance Showers
Thursday Night
50
Chance Showers
Weekly Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 50. West wind around 16 mph, with gusts as high as 26 mph.
Saturday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Partly sunny, with a high near 70. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 10pm and midnight. Mostly clear, with a low around 46. Northwest wind 6 to 15 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 77. South wind 6 to 13 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 51. Northwest wind 6 to 10 mph becoming south southwest after midnight.
Monday
Sunny, with a high near 80. South southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 55. North wind 6 to 8 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 86. South southeast wind around 7 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
A slight chance of showers. Mostly sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.