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.

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

unknown precip

30°F

-1°C

Humidity	83%
Wind Speed	W 13 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	20°F (-7°C)
Last update	04 Dec 11:15 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles SE Lewistown MT

Tonight
Low: 22 °F
Snow Likely
Friday
High: 34 °F
Chance Snow
Friday Night
Low: 20 °F
Snow
Saturday
High: 33 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 39 °F
Partly Sunny
Sunday Night
Low: 28 °F
Mostly Cloudy
Monday
High: 40 °F
Mostly Sunny
Monday Night
Low: 29 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow likely, mainly after 4am. Mostly cloudy, with a low around 22. West wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow, mainly between 3pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 34. West wind 6 to 9 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.

Friday Night

Snow, mainly after 8pm. Low around 20. Southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow likely, mainly before 11am. Cloudy, with a high near 33. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West wind 5 to 14 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Sunday

Partly sunny, with a high near 39. West wind 11 to 14 mph, with gusts as high as 26 mph.

Sunday Night

Mostly cloudy, with a low around 28. West southwest wind 14 to 20 mph, with gusts as high as 36 mph.

Monday

Mostly sunny, with a high near 40. West wind 15 to 21 mph, with gusts as high as 37 mph.

Monday Night

A chance of rain and snow, mainly after 5am. Mostly cloudy, with a low around 29.

Tuesday

A chance of rain and snow before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 45. Breezy.

Tuesday Night

Rain and snow likely. Mostly cloudy, with a low around 26. Breezy.

Wednesday

A chance of rain and snow. Partly sunny, with a high near 39.

Wednesday Night

A chance of rain and snow. Mostly cloudy, with a low around 26.

Thursday

A chance of snow. Mostly cloudy, with a high near 41.