Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Raynolds Pass MT-87 MP 1.2 (MTRAY)

Lat: 44.72814°NLon: 111.47012°WElev: 6834.0ft.

NA

54°F

12°C

Humidity 54%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 13 Aug 03:00 AM MDT
Extended Forecast for

20 Miles NNW Island Park ID

  • Overnight

    Overnight: Partly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. Light west southwest wind becoming southwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 45. Southwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers after 5pm.  Mostly sunny, with a high near 84. Light and variable wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 44. South southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Light and variable wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 25 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Southwest wind 6 to 16 mph becoming southeast after midnight. Winds could gust as high as 24 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. Light and variable wind.
Wednesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light west southwest wind becoming southwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 45. Southwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Thursday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers after 5pm. Mostly sunny, with a high near 84. Light and variable wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44. South southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 83. Light and variable wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 47. Southwest wind 6 to 16 mph becoming southeast after midnight. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 82. Light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNW Island Park ID
 44.83°N 111.46°W (Elev. 6598 ft)
2:21 am MDT Aug 13, 2025
3am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database