Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.NA
45°F
7°C
| Humidity | 48% |
| Wind Speed | W 8 MPH |
| Barometer | 29.68 in (1005.08 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 15 Apr 02:05 AM MDT |
Extended Forecast for
Lewistown Municipal MT
Overnight

Low: 18 °F
Slight Chance
SnowFriday

High: 39 °F
Slight Chance
SnowFriday Night
Low: 23 °F
Slight Chance
Snow then
Partly CloudySaturday

High: 56 °F
Sunny
Saturday Night

Low: 30 °F
Mostly Clear
Sunday

High: 66 °F
Sunny
Sunday Night

Low: 42 °F
Partly Cloudy
Monday

High: 71 °F
Mostly Sunny
Monday Night

Low: 44 °F
Partly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 18. West northwest wind around 11 mph, with gusts as high as 20 mph.
Friday
A slight chance of snow between 7am and 2pm. Mostly sunny, with a high near 39. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 23. Northwest wind 6 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 56. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 30. West northwest wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 66. South southwest wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. West wind 8 to 10 mph becoming south in the evening.
Monday
Mostly sunny, with a high near 71. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A chance of rain. Partly sunny, with a high near 72.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 39.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 54.
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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)
3:56 am MDT Apr 17, 2026
4am MDT Apr 17, 2026-6pm MDT Apr 23, 2026


