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.

Clear

82°F

28°C

Humidity 34%
Wind Speed SSE 9 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 11:50 AM MDT
Extended Forecast for

Arco ID

Red Flag Warning until August 22, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning 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 showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 11pm.  Mostly cloudy, with a low around 58. South southwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 84. Breezy, with a light and variable wind becoming west southwest 18 to 23 mph in the morning. Winds could gust as high as 34 mph.

    High: 84 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. West southwest wind 8 to 18 mph becoming north northwest after midnight. Winds could gust as high as 32 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 84. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 58. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. 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 west southwest 18 to 23 mph in the morning. Winds could gust as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 55. West southwest wind 8 to 18 mph becoming north northwest after midnight. Winds could gust as high as 32 mph.
Monday
Partly sunny, with a high near 84. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.64°N 113.3°W (Elev. 6066 ft)
12:31 pm MDT Aug 22, 2026
12pm 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