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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579° N Lon: 109.26247° W Elev: 4723.0 ft.

51°F

11°C

Humidity	40%
Wind Speed	WNW 8 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	13 Apr 11:45 AM MDT

More Information:

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

Detailed forecast for

Snowy and Judith Mountains

Today

Partly sunny. Slight chance of rain in the late morning and early afternoon. Slight chance of snow early in the afternoon, then chance of rain and snow late in the afternoon. Highs 49 to 55. West winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 50 percent.

Tonight

Mostly cloudy. A 40 percent chance of rain and snow in the evening. Lows in the mid 30s. West winds 5 to 15 mph with gusts to around 35 mph.

Tuesday

Sunny. Highs 52 to 58. West winds 10 to 15 mph with gusts to around 35 mph.

Tuesday Night

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. West winds 10 to 15 mph with gusts to around 35 mph shifting to the southwest after midnight.

Wednesday

Mostly cloudy. A 50 percent chance of rain in the afternoon. Highs 50 to 56. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Wednesday Night

Colder. Rain and slight chance of snow in the evening, then snow and rain after midnight. Light snow accumulations. Lows in the upper 20s. Chance of precipitation 90 percent.

Thursday

Windy, colder, snow. Moderate snow accumulations. Near steady temperature around 30. Chance of snow 90 percent.

Thursday Night And Friday

Windy. Mostly cloudy. A 50 percent chance of snow. Lows around 18. Highs 34 to 40.

Friday Night And Saturday

Not as cool. Partly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs 45 to 51.

Saturday Night

Partly cloudy. Lows in the lower 30s.

Sunday

Not as cool. Mostly sunny. A 20 percent chance of snow in the afternoon. Highs 54 to 60.