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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

JUDITH PEAK (JPKM8)

Lat: 47.21753°NLon: 109.22281°WElev: 6428.0ft.

NA

65°F

18°C

Humidity 27%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 08 Oct 03:52 PM MDT
Extended Forecast for

Roy MT

  • Tonight

    Tonight: Mostly clear, with a low around 46. East wind 5 to 7 mph becoming light and variable.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. West northwest wind 6 to 10 mph becoming east in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Southeast wind around 10 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Southeast wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers. Partly sunny, with a high near 70. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 40. West wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain before 3pm, then a chance of rain and snow. Partly sunny, with a high near 50. West wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 50 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 46. East wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 66. West northwest wind 6 to 10 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 45. Southeast wind around 10 mph.
Friday
Sunny, with a high near 73. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 52. Southeast wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 70. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 40. West wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday
A chance of rain before 3pm, then a chance of rain and snow. Partly sunny, with a high near 50. West wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 30.
Columbus Day
A slight chance of snow before noon. Partly sunny, with a high near 43.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 48.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roy MT
 47.33°N 108.97°W (Elev. 3566 ft)
Last Update:
2:13 am MDT Oct 8, 2025
Forecast Valid:
4pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation