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.

Rain

73°F

23°C

Humidity 46%
Wind Speed W 14 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Aug 01:20 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

Red Flag Warning August 22, 01:43pm until August 22, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning August 22, 01:43pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 58 °F

    Chance
    T-storms

  • Tonight

    Tonight: Rain and thunderstorms likely before midnight, then a slight chance of rain after 5am.  Snow level 14700 feet lowering to 13600 feet after midnight . Mostly cloudy, with a low around 47. West southwest wind 7 to 15 mph becoming south in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 7am.  Snow level 13700 feet lowering to 12900 feet in the afternoon . Sunny, with a high near 57. Breezy, with a southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 57 °F

    Breezy.
    Chance Rain
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon.  Snow level 11800 feet rising to 12900 feet in the afternoon. Mostly sunny, with a high near 57. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight.  Snow level 12900 feet. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Snow level 12800 feet. Mostly sunny, with a high near 57.

    High: 57 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 58. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
Rain and thunderstorms likely before midnight, then a slight chance of rain after 5am. Snow level 14700 feet lowering to 13600 feet after midnight . Mostly cloudy, with a low around 47. West southwest wind 7 to 15 mph becoming south in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain, mainly before 7am. Snow level 13700 feet lowering to 12900 feet in the afternoon . Sunny, with a high near 57. Breezy, with a southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph.
Sunday Night
Partly cloudy, with a low around 42. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph.
Monday
A 20 percent chance of rain after noon. Snow level 11800 feet rising to 12900 feet in the afternoon. Mostly sunny, with a high near 57. West wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of rain before midnight. Snow level 12900 feet. Mostly cloudy, with a low around 45.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Snow level 12800 feet. Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Snow level 13000 feet. Partly sunny, with a high near 57.
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 45.
Thursday
A 20 percent chance of rain. Snow level 12300 feet. Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 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