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Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
0°F
-18°C
| Humidity | 70% |
| Wind Speed | W 5 MPH |
| Barometer | 30.3 in (1026.08 mb) |
| Dewpoint | -8°F (-22°C) |
| Visibility | 10.00 mi |
| Wind Chill | -11°F (-24°C) |
| Last update | 23 Jan 02:05 PM MST |
Extended Forecast for
Lewistown MT
This Afternoon

High: 7 °F
Partly Sunny
Tonight

Low: -4 °F⇑
Increasing
CloudsSaturday

High: 19 °F
Snow Likely
Saturday Night
Low: -4 °F
Snow then
Chance SnowSunday

High: 25 °F
Mostly Sunny
Sunday Night

Low: 13 °F
Mostly Clear
Monday

High: 37 °F
Mostly Sunny
Monday Night

Low: 15 °F
Mostly Cloudy
Tuesday

High: 35 °F
Partly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 7. Wind chill values as low as zero. Light west northwest wind.
Tonight
Increasing clouds, with a temperature falling to near -4 by 11pm, then rising to around 4 during the remainder of the night. Wind chill values as low as -15. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
Snow likely, mainly after 11am. Cloudy, with a high near 19. Wind chill values as low as -5. West southwest wind 6 to 14 mph becoming northwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Snow, mainly before 11pm. Low around -4. Northwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 25. Southwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 13. West southwest wind around 9 mph.
Monday
Mostly sunny, with a high near 37. West wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 15. West wind around 7 mph.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 37.
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ABOUT THIS FORECAST
Point Forecast:
Lewistown MT
47.07°N 109.43°W (Elev. 3898 ft)
47.07°N 109.43°W (Elev. 3898 ft)
3:22 am MST Jan 23, 2026
2pm MST Jan 23, 2026-6pm MST Jan 29, 2026


