Lewistown Airport (LWT) Weather 07/19/2025
Tonight
52
Slight Chance T-storms then Mostly Cloudy
Sunday
77
Mostly Sunny then Chance T-storms
Sunday Night
52
Slight Chance T-storms then Mostly Cloudy
Monday
74
Partly Sunny then Chance T-storms
Monday Night
52
Showers Likely
Tuesday
72
Slight Chance Showers then Chance T-storms
Tuesday Night
47
Chance T-storms then Chance Showers
Wednesday
73
Chance Showers
Wednesday Night
51
Mostly Clear
Thursday
84
Sunny
Thursday Night
54
Mostly Clear
Friday
86
Sunny
Friday Night
55
Mostly Cloudy
Weekly Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 52. Northwest wind 5 to 9 mph becoming south after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 77. South wind 5 to 8 mph becoming north in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 52. North wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 52. North northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West northwest wind 3 to 8 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. West wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 55.