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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Mostly Cloudy

81°F

27°C

Humidity 39%
Wind Speed SE 6 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 12:54 PM MDT
Extended Forecast for

4 Miles SW Lost River ID

Red Flag Warning August 22, 01:53pm until August 22, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning August 22, 01:53pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of rain between 9pm and 11pm.  Mostly cloudy, with a low around 50. South southwest wind 5 to 10 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 84. Breezy, with a light and variable wind becoming southwest 18 to 23 mph in the morning. Winds could gust as high as 32 mph.

    High: 84 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West wind 11 to 16 mph becoming light northwest  after midnight. Winds could gust as high as 29 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 8 to 11 mph.
Tonight
A slight chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 50. South southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 84. Breezy, with a light and variable wind becoming southwest 18 to 23 mph in the morning. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 47. West wind 11 to 16 mph becoming light northwest after midnight. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 84. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Lost River ID
 43.68°N 113.61°W (Elev. 6109 ft)
12:31 pm MDT Aug 22, 2026
1pm MDT Aug 22, 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