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Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
64°F
18°C
| Humidity | 48% |
| Wind Speed | N 5 MPH |
| Barometer | 30.28 in (1025.4 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 23 Jun 04:25 PM MDT |
Extended Forecast for
Lewistown Municipal MT
Tonight

Low: 44 °F
Slight Chance
T-stormsThursday
High: 70 °F
Chance
Showers then
Showers
LikelyThursday Night
Low: 46 °F
Chance
T-storms then
Mostly CloudyFriday

High: 75 °F
Showers
Friday Night
Low: 46 °F
Showers then
Showers
LikelySaturday
High: 66 °F
Chance
Showers then
ShowersSaturday Night

Low: 43 °F
Showers
Sunday

High: 60 °F
Showers
LikelySunday Night

Low: 41 °F
Chance
Showers
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 44. East southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 46. Southeast wind around 6 mph.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 75. East southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 46. South southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. Light and variable wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 43. West southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 60. West wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41.
Monday
Showers likely. Mostly cloudy, with a high near 61. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 69.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST
Point Forecast:
Lewistown Municipal MT
47.04°N 109.45°W (Elev. 4111 ft)
47.04°N 109.45°W (Elev. 4111 ft)
10:26 pm MDT Jun 24, 2026
11pm MDT Jun 24, 2026-6pm MDT Jul 1, 2026


