


Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
63°F
17°C
Humidity | 55% |
Wind Speed | S 4 MPH |
Barometer | 30.06 in (1017.95 mb) |
Dewpoint | 46°F (8°C) |
Visibility | 10.00 mi |
Last update | 14 Jul 01:15 AM MDT |
Extended Forecast for
Lewistown MT
Overnight
Low: 58 °F
Mostly Clear
Monday
High: 90 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 50 °F
Showers
LikelyTuesday
High: 58 °F
Showers
Tuesday Night
Low: 45 °F
Showers
Wednesday
High: 61 °F
Chance
ShowersWednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 74 °F
Sunny
Thursday Night
Low: 48 °F
Slight Chance
T-storms then
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 58. Southeast wind around 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 50. Northwest wind 9 to 11 mph becoming north northeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after noon. High near 58. Northeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 45. East northeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 61. East wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 43. East wind 6 to 8 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 86.
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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)
9:57 pm MDT Jul 13, 2025
1am MDT Jul 14, 2025-6pm MDT Jul 20, 2025