
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.
Hazardous Weather Conditions
Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.
Mostly Cloudy
30°F
-1°C
| Humidity | 92% |
| Wind Speed | SW 11 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 09 Dec 04:05 PM MST |
Extended Forecast for
Lewistown MT
Winter Storm Watch December 11, 02:00pm until December 13, 05:00am
This Afternoon

High: 36 °F
Slight Chance
SnowTonight
Low: 23 °F
Partly Cloudy
then Chance
SnowWednesday
High: 49 °F
Rain/Snow
then Chance
RainWednesday Night
Low: 37 °F
Chance Rain
then Chance
Rain/SnowThursday

High: 49 °F
Rain/Snow
Thursday Night

Low: 6 °F
Snow
Friday

High: 17 °F
Heavy Snow
Friday Night

Low: -3 °F
Snow Likely
Saturday

High: 22 °F
Chance Snow
Detailed Forecast
This Afternoon
A 20 percent chance of snow. Mostly sunny, with a steady temperature around 36. West northwest wind around 21 mph, with gusts as high as 33 mph.
Tonight
A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 23. West wind 6 to 14 mph becoming south southeast after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 11am, then a chance of rain. High near 49. South wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Cloudy, with a low around 37. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 8am, then rain between 8am and 2pm, then rain and snow after 2pm. High near 49. West wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 6. Northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. The snow could be heavy at times. High near 17. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow likely. Cloudy, with a low around -3. East wind around 7 mph becoming west northwest after midnight.
Saturday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 47.
Basemap Options
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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)
3:36 pm MST Dec 9, 2025
4pm MST Dec 9, 2025-6pm MST Dec 16, 2025



