Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
39°F
4°C
| Humidity | 60% |
| Wind Speed | W 6 MPH |
| Barometer | 30.26 in (1024.72 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 04 Apr 08:20 PM MDT |
Extended Forecast for
Lewistown MT
Tonight

Low: 30 °F
Mostly Clear
Sunday

High: 51 °F
Mostly Sunny
Sunday Night

Low: 28 °F
Mostly Cloudy
Monday

High: 50 °F
Mostly Cloudy
Monday Night

Low: 36 °F
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
then Slight
Chance RainTuesday Night

Low: 25 °F
Chance
Rain/Snow and
BlusteryWednesday

High: 42 °F
Chance Snow
Wednesday Night

Low: 21 °F
Chance Snow
Detailed Forecast
Tonight
Mostly clear, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 51. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 28. East wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 50. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 36. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 67. South southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A chance of snow. Partly sunny, with a high near 42. West northwest wind 17 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 21.
Thursday
A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 45.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST
Point Forecast:
Lewistown MT
47.09°N 109.46°W (Elev. 3898 ft)
47.09°N 109.46°W (Elev. 3898 ft)
4:21 pm MDT Apr 4, 2026
8pm MDT Apr 4, 2026-6pm MDT Apr 11, 2026


