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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

LOWER TWIN (LWTM8)

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

46°F

8°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

11 Miles WNW Mcallister MT

Tonight
Low: 31 °F
Partly Cloudy
then Patchy
Fog
Tuesday
High: 57 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Wednesday
High: 57 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 36 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 54 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 37 °F
Partly Cloudy
Friday
High: 56 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 35 °F
Showers

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, mostly clear, with a low around 31. North wind 6 to 16 mph, with gusts as high as 24 mph.

Tuesday

Patchy fog before 9am. Otherwise, sunny, with a high near 57. North wind 6 to 10 mph becoming west southwest in the morning.

Tuesday Night

Mostly cloudy, with a low around 36. North northeast wind 7 to 15 mph, with gusts as high as 23 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 57. North wind 7 to 11 mph.

Wednesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 36. Northeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. West wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Thursday Night

Partly cloudy, with a low around 37. West southwest wind 6 to 10 mph.

Friday

A chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 56. South southwest wind 8 to 17 mph, with gusts as high as 28 mph.

Friday Night

Showers and possibly a thunderstorm. Cloudy, with a low around 35.

Saturday

Rain showers before 9am, then rain, possibly mixed with snow showers between 9am and noon, then rain showers after noon. Some thunder is also possible. Cloudy, with a high near 44.

Saturday Night

Rain and snow showers. Some thunder is also possible. Cloudy, with a low around 28.

Sunday

Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 38.

Sunday Night

Snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 26.

Monday

A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 42.