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Hazardous Weather Conditions
Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Clear
-12°F
-24°C
| Humidity | 81% |
| Wind Speed | SE 6 MPH |
| Barometer | 30.15 in (1021.0 mb) |
| Dewpoint | -16°F (-27°C) |
| Visibility | 10.00 mi |
| Wind Chill | -26°F (-32°C) |
| Last update | 23 Jan 09:54 PM MST |
Extended Forecast for
Lewistown Municipal MT
Cold Weather Advisory until January 24, 09:00am
NOW until 9:00am Sat
Cold Weather Advisory
Tonight
Low: -10 °F⇑
Mostly Clear
then Slight
Chance SnowSaturday

High: 19 °F
Snow Likely
Saturday Night
Low: -6 °F
Snow Likely
then Chance
SnowSunday

High: 19 °F
Decreasing
CloudsSunday Night

Low: 8 °F
Mostly Clear
Monday

High: 39 °F
Mostly Sunny
Monday Night

Low: 19 °F
Mostly Cloudy
Tuesday

High: 40 °F
Mostly Sunny
Detailed Forecast
Tonight
A 10 percent chance of snow after 5am. Increasing clouds, with a temperature rising to around 0 by 5am. Wind chill values as low as -25. Southwest wind around 6 mph.
Saturday
Snow likely, mainly between 9am and 10am. Cloudy, with a high near 19. Wind chill values as low as -10. Northwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Snow likely, mainly before 11pm. Cloudy, with a low around -6. Wind chill values as low as -15. Northwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as -20. Northwest wind around 6 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 8. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 39. West southwest wind around 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 40. West southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 42.
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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)
9:22 pm MST Jan 23, 2026
10pm MST Jan 23, 2026-6pm MST Jan 30, 2026



