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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

LOWER TWIN (LWTM8)

Lat: 45.50871°NLon: 111.92288°WElev: 7900.0ft.

42°F

6°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

10 Miles WNW Mcallister MT

Tonight
Low: 22 °F
Mostly Clear
and Windy
Wednesday
High: 42 °F
Mostly Sunny
Wednesday Night
Low: 28 °F
Partly Cloudy
Thursday
High: 43 °F
Sunny
Thursday Night
Low: 28 °F
Mostly Clear
Friday
High: 51 °F
Partly Sunny
then Slight
Chance Snow
Friday Night
Low: 36 °F
Chance
Rain/Snow
then Mostly
Cloudy
Saturday
High: 51 °F
Mostly Sunny
then Chance
Rain/Snow and
Breezy
Saturday Night
Low: 33 °F
Rain/Snow
Likely and
Breezy then
Chance Snow

Detailed Forecast

Tonight

Mostly clear, with a low around 22. Windy, with a west wind 26 to 31 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 50 mph.

Wednesday

Mostly sunny, with a high near 42. West wind 14 to 17 mph, with gusts as high as 31 mph.

Wednesday Night

Partly cloudy, with a low around 28. West wind 10 to 16 mph, with gusts as high as 28 mph.

Thursday

Sunny, with a high near 43. West wind around 11 mph, with gusts as high as 23 mph.

Thursday Night

Mostly clear, with a low around 28. North northeast wind 8 to 13 mph, with gusts as high as 23 mph.

Friday

A 20 percent chance of snow after noon. Partly sunny, with a high near 51. Southeast wind 7 to 10 mph becoming southwest in the morning. Winds could gust as high as 22 mph.

Friday Night

A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 36. West southwest wind around 11 mph becoming northwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 51. Breezy, with a south southwest wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 48 mph.

Saturday Night

Rain likely, possibly mixed with snow, becoming all snow after 9pm. Mostly cloudy, with a low around 33. Breezy.

Sunday

Snow likely before noon, then snow showers after noon. Some thunder is also possible. Mostly cloudy, with a high near 42. Breezy.

Sunday Night

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 25.

Monday

Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 32.

Monday Night

A chance of snow. Mostly cloudy, with a low around 22.

Tuesday

A slight chance of snow. Mostly sunny, with a high near 38.