Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
46°F
8°C
| Humidity | 49% |
| Wind Speed | SW 14 MPH |
| Barometer | 29.79 in (1008.81 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 14 Apr 08:35 AM MDT |
Extended Forecast for
Lewistown MT
Today

High: 61 °F
Mostly Sunny
Tonight

Low: 36 °F
Mostly Cloudy
Wednesday
High: 59 °F
Slight Chance
Rain then
Chance RainWednesday Night
Low: 28 °F
Showers then
Rain/SnowThursday

High: 37 °F
Snow Likely
Thursday Night
Low: 17 °F
Slight Chance
Snow then
Mostly CloudyFriday
High: 42 °F
Mostly Sunny
then Chance
SnowFriday Night
Low: 23 °F
Slight Chance
Snow then
Partly CloudySaturday

High: 51 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 61. West wind 9 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 36. West wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.
Wednesday
A slight chance of rain before 11am, then a chance of rain after noon. Mostly cloudy, with a high near 59. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
Rain before 3am, then rain and snow. Some thunder is also possible. Low around 28. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 37. West northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. West wind 8 to 17 mph, with gusts as high as 28 mph.
Friday
A 40 percent chance of snow after noon. Partly sunny, with a high near 42. West wind 8 to 15 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Friday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 23. North northwest wind 5 to 13 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 70.
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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)
3:12 am MDT Apr 14, 2026
8am MDT Apr 14, 2026-6pm MDT Apr 20, 2026


