Lewistown Airport (LWT) Weather 10/15/2025
Today
56
Sunny
Tonight
32
Mostly Clear
Tuesday
67
Sunny
Tuesday Night
40
Clear
Wednesday
71
Sunny
Wednesday Night
37
Mostly Clear
Thursday
68
Sunny
Thursday Night
41
Clear
Friday
76
Sunny
Friday Night
47
Mostly Clear then Slight Chance Rain
Saturday
70
Chance Rain
Saturday Night
35
Rain Likely
Sunday
50
Chance Rain
Weekly Forecast
Today
Sunny, with a high near 56. South southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Tonight
Mostly clear, with a low around 32. Calm wind becoming south southwest around 6 mph in the evening.
Tuesday
Sunny, with a high near 67. South southeast wind 5 to 8 mph.
Tuesday Night
Clear, with a low around 40. South wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 71. South southwest wind 7 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. North wind around 5 mph becoming south after midnight.
Thursday
Sunny, with a high near 68. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 41. East southeast wind around 7 mph.
Friday
Sunny, with a high near 76.
Friday Night
A slight chance of rain after midnight. Mostly clear, with a low around 47.
Saturday
A chance of rain. Partly sunny, with a high near 70.
Saturday Night
Rain likely. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Partly sunny, with a high near 50.