Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Henry's Lake (ITD55)

Lat: 44.61831°NLon: 111.33548°WElev: 6617.0ft.

NA

54°F

12°C

Humidity 66%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility 1.24 mi
Last update 26 Aug 07:45 AM MDT
Extended Forecast for

5 Miles NNW Island Park ID

  • Today

    Today: Mostly sunny, with a high near 77. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 69. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 9pm.  Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon.  High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 77. Calm wind becoming south southwest around 6 mph in the afternoon.
Tonight
A 20 percent chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 69. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 9pm. Low around 51. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after noon. High near 64. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 44.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Island Park ID
 44.63°N 111.36°W (Elev. 6496 ft)
5:31 am MDT Aug 26, 2026
8am MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database