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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

64°F

18°C

Humidity	47%
Wind Speed	WNW 5 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	21 Jun 03:30 PM MDT

More Information:

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

Extended Forecast for

6 Miles SE Lewistown MT

Tonight
Low: 46 °F
Slight Chance
T-storms then
Chance
Showers
Monday
High: 62 °F
Showers
Likely
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 43 °F
Partly Cloudy
Wednesday
High: 71 °F
Mostly Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 76 °F
Partly Sunny
then Chance
T-storms
Thursday Night
Low: 51 °F
Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 46. North wind around 5 mph becoming calm after midnight.

Monday

Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 62. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Monday Night

Partly cloudy, with a low around 41. West wind 6 to 10 mph, with gusts as high as 20 mph.

Tuesday

Mostly sunny, with a high near 66. West wind 7 to 9 mph, with gusts as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 43. North northwest wind 5 to 8 mph becoming light and variable.

Wednesday

Mostly sunny, with a high near 71. Light and variable wind becoming east northeast around 6 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 47. East wind 6 to 10 mph, with gusts as high as 20 mph.

Thursday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. South southeast wind around 6 mph becoming west northwest in the afternoon.

Thursday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.

Friday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.

Saturday

Showers and possibly a thunderstorm. Mostly cloudy, with a high near 65.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 58.