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

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

81°F

27°C

Humidity 42%
Wind Speed N 10 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 04:35 PM MDT
Extended Forecast for

16 Miles NW Mackay ID

Red Flag Warning August 22, 04:58pm until August 22, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning August 22, 04:58pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 62 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of rain and thunderstorms before midnight, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 50. Southwest wind 7 to 11 mph becoming southeast in the evening.  Chance of precipitation is 40%.

    Low: 50 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 7am.  Snow level 13800 feet lowering to 12900 feet in the afternoon . Mostly sunny, with a high near 60. Breezy, with a southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West southwest wind 7 to 17 mph, with gusts as high as 29 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Southwest wind 7 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Snow level 12800 feet. Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 62. South southwest wind 9 to 11 mph.
Tonight
A chance of rain and thunderstorms before midnight, then a slight chance of rain after 5am. Mostly cloudy, with a low around 50. Southwest wind 7 to 11 mph becoming southeast in the evening. Chance of precipitation is 40%.
Sunday
A 30 percent chance of rain, mainly before 7am. Snow level 13800 feet lowering to 12900 feet in the afternoon . Mostly sunny, with a high near 60. Breezy, with a southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 45. West southwest wind 7 to 17 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 61. Southwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Snow level 12800 feet. Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Snow level 13000 feet. Partly sunny, with a high near 61.
Wednesday Night
A 20 percent chance of rain before midnight. Snow level 13300 feet lowering to 12500 feet after midnight . Mostly cloudy, with a low around 48.
Thursday
A 20 percent chance of rain. Snow level 12300 feet. Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
12:31 pm MDT Aug 22, 2026
4pm MDT Aug 22, 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