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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

Henry's Lake (ITD55)

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

NA

69°F

21°C

Humidity 34%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility 1.24 mi
Last update 12 Jul 08:00 AM MDT
Extended Forecast for

3 Miles NNW Island Park ID

Heat Advisory July 12, 08:25am until July 13, 09:00pm
Red Flag Warning July 12, 01:00pm until July 12, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory July 12, 08:25am until July 13, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • Today

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South southwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 24 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 88. Northeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 58. South southwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 59. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 80.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Island Park ID
 44.6°N 111.36°W (Elev. 6496 ft)
Last Update:
5:31 am MDT Jul 12, 2026
Forecast Valid:
8am MDT Jul 12, 2026-6pm MDT Jul 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation