PNS26-03: Soliciting Comments through February 9, 2026 on the Discontinuation of the State Forecast Product (SFP)

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Overcast

43°F

6°C

Humidity	56%
Wind Speed	SW 16 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	30 Jan 10:35 PM MST

More Information:

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

Extended Forecast for

Lewistown MT

Tonight
Low: 40 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday
High: 52 °F
Mostly Sunny
and Breezy
then Sunny
Saturday Night
Low: 30 °F
Partly Cloudy
Sunday
High: 57 °F
Partly Sunny
Sunday Night
Low: 33 °F
Partly Cloudy
Monday
High: 49 °F
Sunny
Monday Night
Low: 29 °F
Mostly Cloudy
Tuesday
High: 49 °F
Partly Sunny
Tuesday Night
Low: 29 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight chance of rain between 11pm and midnight. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 40. West southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Saturday

Partly sunny, then gradually becoming sunny, with a high near 52. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 32 mph.

Saturday Night

Partly cloudy, with a low around 30. Southwest wind 6 to 8 mph.

Sunday

Partly sunny, with a high near 57. South southeast wind 5 to 8 mph.

Sunday Night

Partly cloudy, with a low around 33. West wind 8 to 11 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 49. West northwest wind 13 to 18 mph, with gusts as high as 30 mph.

Monday Night

Mostly cloudy, with a low around 29. West wind 7 to 13 mph, with gusts as high as 23 mph.

Tuesday

Partly sunny, with a high near 49. West northwest wind 8 to 11 mph, with gusts as high as 22 mph.