Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

RUBY VALLEY (RBYM)

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

NA

42°F

6°C

Humidity 78%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 15 Oct 04:00 PM MDT
Extended Forecast for

Alder MT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly after 5pm.  Mostly cloudy, with a high near 48. Light north northwest wind.

    High: 48 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 2am, then a slight chance of rain and snow between 2am and 3am, then a chance of rain after 3am.  Patchy fog between midnight and 3am.  Otherwise, cloudy, with a low around 33. Calm wind becoming northwest around 6 mph after midnight.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of rain between 10am and 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 48. Northwest wind around 6 mph.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind 6 to 10 mph becoming southeast in the evening.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 27. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. Southwest wind 6 to 10 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 48. Light north northwest wind.
Tonight
A slight chance of rain before 2am, then a slight chance of rain and snow between 2am and 3am, then a chance of rain after 3am. Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 33. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A 40 percent chance of rain between 10am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 28. West wind 6 to 10 mph becoming southeast in the evening.
Friday
Mostly sunny, with a high near 55. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 27. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 53. Southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
A chance of rain, mainly after noon. Partly sunny, with a high near 58.
Sunday Night
Rain likely before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Alder MT
 45.34°N 112.09°W (Elev. 5177 ft)
2:19 pm MDT Oct 15, 2025
4pm MDT Oct 15, 2025-6pm MDT Oct 22, 2025
 
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Additional Resources

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