National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

RUBY VALLEY (RBYM)

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

NA

58°F

14°C

Humidity 73%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 29 Aug 03:00 AM MDT
Extended Forecast for

Alder MT

  • Overnight

    Overnight: Showers. Steady temperature around 55. South southeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. South southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 46. South southeast wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 66. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 66 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West wind 12 to 17 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. West southwest wind 3 to 8 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 18 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

Detailed Forecast

Overnight
Showers. Steady temperature around 55. South southeast wind around 10 mph. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. South southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 46. South southeast wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 66. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 39. West wind 12 to 17 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 74. West southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 45. Southwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 18 mph.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. South wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. Breezy.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. Breezy.
Wednesday Night
Partly cloudy, with a low around 46. Windy.
Thursday
Partly sunny, with a high near 73. Breezy.
Thursday Night
Partly cloudy, with a low around 45. Windy.
Friday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alder MT
 45.32°N 112.09°W (Elev. 5184 ft)
Last Update:
3:37 am MDT Aug 29, 2026
Forecast Valid:
3am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation