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.

Overcast

64°F

18°C

Humidity 67%
Wind Speed SE 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 06:35 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

Red Flag Warning August 22, 06:47pm until August 22, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning August 22, 06:47pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Chance
    Showers then
    Slight 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 south southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 60 °F

    Breezy.
    Chance Rain
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon.  Snow level 11900 feet rising to 13000 feet in the afternoon. Mostly sunny, with a high near 60. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. West wind 7 to 10 mph.

    Low: 47 °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 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Snow level 13000 feet. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of rain and thunderstorms before midnight, then a slight chance of rain after 5am. Mostly cloudy, with a low around 48. South southwest wind 6 to 9 mph. Chance of precipitation is 50%.
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 south southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.
Sunday Night
Partly cloudy, with a low around 43. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Monday
A 20 percent chance of rain after noon. Snow level 11900 feet rising to 13000 feet in the afternoon. Mostly sunny, with a high near 60. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 47. West wind 7 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Snow level 12800 feet. Mostly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Snow level 13000 feet. Partly sunny, with a high near 60.
Wednesday Night
A 20 percent chance of rain before midnight. Snow level 13300 feet lowering to 12500 feet after midnight . Partly cloudy, with a low around 46.
Thursday
A 20 percent chance of rain. Snow level 12400 feet. Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Aug 22, 2026
6pm 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