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

Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

ISLAND PARK (IPFI1)

Lat: 44.42051°NLon: 111.36741°WElev: 6337.0ft.

NA

44°F

7°C

Humidity 93%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 27 Aug 05:54 AM MDT
Extended Forecast for

Ashton ID

  • Today

    Today: A slight chance of showers between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 54. South southwest wind 5 to 9 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 76. East wind 6 to 8 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 76 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after 9pm. Low around 50. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon. High near 70. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after noon. Sunny, with a high near 75.

    High: 75 °F

    Sunny then
    Slight Chance
    Rain

Detailed Forecast

Today
A slight chance of showers between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 54. South southwest wind 5 to 9 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.
Friday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 76. East wind 6 to 8 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers after 9pm. Low around 50. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after noon. High near 70. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41.
Monday
A 20 percent chance of rain after noon. Sunny, with a high near 75.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton ID
 44.08°N 111.45°W (Elev. 5299 ft)
Last Update:
6:31 am MDT Aug 27, 2026
Forecast Valid:
6am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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