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Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Overcast
12°F
-11°C
| Humidity | 66% |
| Wind Speed | WNW 9 MPH |
| Barometer | 30.2 in (1022.69 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | -0°F (-18°C) |
| Last update | 22 Jan 06:54 AM MST |
Extended Forecast for
Lewistown MT
Today
High: 16 °F
Partly Sunny
then Chance
SnowTonight

Low: -6 °F
Chance Snow
Friday
High: 6 °F
Chance Snow
then Partly
SunnyFriday Night

Low: -7 °F
Partly Cloudy
Saturday

High: 19 °F
Slight Chance
SnowSaturday Night

Low: 3 °F
Chance Snow
Sunday

High: 30 °F
Mostly Sunny
Sunday Night

Low: 12 °F
Partly Cloudy
Monday

High: 36 °F
Sunny
Detailed Forecast
Today
A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 16. Wind chill values as low as zero. Northwest wind 5 to 7 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 40 percent chance of snow after 2am. Cloudy, with a low around -6. Wind chill values as low as -15. North northeast wind 5 to 7 mph becoming east southeast after midnight. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 6. Wind chill values as low as -15. Light and variable wind becoming northwest around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around -7. Light southwest wind.
Saturday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 19. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 3. West northwest wind 6 to 8 mph. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 30. West southwest wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 12. West southwest wind around 7 mph.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
A slight chance of snow. Partly sunny, with a high near 35.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 14.
Wednesday
A slight chance of snow. Partly sunny, with a high near 31.
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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)
3:27 am MST Jan 22, 2026
7am MST Jan 22, 2026-6pm MST Jan 28, 2026


