
PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.
Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Mostly Cloudy
32°F
0°C
| Humidity | 74% |
| Wind Speed | WSW 19 MPH |
| Barometer | 29.82 in (1009.82 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 07 Dec 12:20 AM MST |
Extended Forecast for
Lewistown MT
Overnight

Low: 19 °F
Mostly Cloudy
Sunday

High: 39 °F
Mostly Sunny
Sunday Night

Low: 33 °F
Mostly Cloudy
Monday

High: 44 °F
Increasing
CloudsMonday Night

Low: 32 °F
Chance Rain
and BreezyTuesday

High: 46 °F
Chance
Rain/Snow and
WindyTuesday Night

Low: 24 °F
Chance Snow
Wednesday

High: 41 °F
Rain/Snow
LikelyWednesday Night

Low: 11 °F
Snow Likely
Detailed Forecast
Overnight
Mostly cloudy, with a low around 19. West southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 39. West wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 33. West southwest wind 11 to 16 mph, with gusts as high as 30 mph.
Monday
Increasing clouds, with a high near 44. West wind 18 to 20 mph, with gusts as high as 32 mph.
Monday Night
A 30 percent chance of rain. Cloudy, with a low around 32. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 39 mph.
Tuesday
A chance of rain before 8am, then a chance of rain and snow. Mostly cloudy, with a high near 46. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. West northwest wind 9 to 14 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 41. South southwest wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 11.
Thursday
A chance of snow. Mostly cloudy, with a high near 21.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 2.
Friday
A chance of snow. Mostly cloudy, with a high near 23.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 45.
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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)
9:26 pm MST Dec 6, 2025
12am MST Dec 7, 2025-6pm MST Dec 13, 2025


