Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

ISLAND PARK (IPFI1)

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

NA

90°F

32°C

Humidity 16%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index86°F (30°C)
Last update 21 Aug 02:54 PM MDT
Extended Forecast for

8 Miles NNW Ashton ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Light and variable wind becoming east northeast around 6 mph in the evening.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm, then a slight chance of showers after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 83. East wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. West southwest wind around 6 mph becoming northeast after midnight.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 80. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Light and variable wind becoming east northeast around 6 mph in the evening.
Saturday
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm, then a slight chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. East wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West southwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 40%.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 80. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 51. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Ashton ID
 44.18°N 111.5°W (Elev. 6247 ft)
12:31 pm MDT Aug 21, 2026
3pm MDT Aug 21, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database