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

61°F

16°C

Humidity 67%
Wind Speed WNW 6 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Aug 01:15 AM MDT
Extended Forecast for

Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming west.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. South southeast wind 5 to 10 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 78. West northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 57. Northwest wind 6 to 8 mph.

    Low: 57 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming west.
Sunday
Mostly sunny, with a high near 78. South southeast wind 5 to 10 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 54. West northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. West northwest wind 6 to 8 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 57. Northwest wind 6 to 8 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Mackay ID
 43.91°N 113.65°W (Elev. 6841 ft)
1:38 am MDT Aug 23, 2026
1am MDT Aug 23, 2026-6pm MDT Aug 29, 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