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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

RUBY VALLEY (RBYM)

Lat: 45.345°NLon: 112.15028°WElev: 5250.0ft.

51°F

11°C

Humidity	90%
Wind Speed	NE 2 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	30 May 09:00 AM MDT

More Information:

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

Extended Forecast for

Alder MT

Today
High: 58 °F
Showers
Tonight
Low: 41 °F
Showers
Sunday
High: 59 °F
Rain
Sunday Night
Low: 38 °F
Chance Rain
then Mostly
Cloudy
Monday
High: 64 °F
Slight Chance
Rain then
Chance
T-storms
Monday Night
Low: 38 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 70 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Mostly Clear
Wednesday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and noon, then rain and possibly a thunderstorm after noon. High near 58. Northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain and possibly a thunderstorm before 9pm, then showers likely after 9pm. Low around 41. Northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain, with thunderstorms also possible after noon. High near 59. West wind around 8 mph. Chance of precipitation is 80%.

Sunday Night

A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 38. North northwest wind 5 to 8 mph becoming calm after midnight.

Monday

A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

Monday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 38. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

Tuesday

Mostly sunny, with a high near 70. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

Tuesday Night

Mostly clear, with a low around 40. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 44.

Thursday

A chance of rain and thunderstorms. Mostly sunny, with a high near 73.

Thursday Night

A slight chance of rain. Mostly clear, with a low around 43.