Monday
Mostly sunny
High:
73°F
Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Lewistown, MT Weather - Extended Forecast
Monday Night
Mostly cloudy
Overnight low:
49°F
Mostly cloudy, with a low around 49. Northwest wind 5 to 8 mph becoming calm.
Tuesday
Partly sunny
High:
80°F
Mostly sunny, with a high near 80. Breezy, with a west northwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
Slight chance thunderstorms and breezy
Overnight low:
46°F
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 46. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, breezy
High:
65°F
Wednesday Night
Partly cloudy
Overnight low:
41°F
Thursday
Sunny
High:
70°F
Thursday Night
Mostly clear
Overnight low:
43°F
Juneteenth
Mostly sunny
High:
75°F
Friday Night
Partly cloudy
Overnight low:
46°F
Saturday
Mostly cloudy
High:
73°F