Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Mostly Cloudy
N/A
| Humidity | 36% |
| Wind Speed | WNW 16 MPH |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | 10.00 mi |
| Last update | 07 May 12:54 PM MDT |
Extended Forecast for
Lewistown Municipal MT
This Afternoon

High: 63 °F
Slight Chance
ShowersTonight
Low: 38 °F
Slight Chance
Showers then
Partly CloudySaturday

High: 70 °F
Increasing
CloudsSaturday Night

Low: 43 °F
Partly Cloudy
Sunday

High: 80 °F
Sunny
Sunday Night

Low: 47 °F
Mostly Clear
Memorial Day

High: 84 °F
Sunny
Monday Night

Low: 52 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 63. Northwest wind 3 to 5 mph.
Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 38. Calm wind becoming south southeast around 6 mph after midnight.
Saturday
Increasing clouds, with a high near 70. Light and variable wind becoming west northwest around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 43. Light and variable wind becoming south 5 to 7 mph in the evening.
Sunday
Sunny, with a high near 80. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 47. West northwest wind around 6 mph becoming light and variable after midnight.
Memorial Day
Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 47.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 46.
Thursday
A chance of rain and thunderstorms. Partly sunny, with a high near 75.
Thursday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 77.
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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)
2:07 pm MDT May 22, 2026
3pm MDT May 22, 2026-6pm MDT May 29, 2026


