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.

Partly Cloudy

66°F

19°C

Humidity 63%
Wind Speed SSW 8 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 07:20 PM MDT
Extended Forecast for

19 Miles NW Mackay ID

Red Flag Warning August 22, 07:40pm until August 22, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning August 22, 07:40pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 57 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 7am.  Mostly sunny, with a high near 76. Breezy, with a south wind 6 to 11 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 76 °F

    Slight Chance
    Rain then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. West wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. West wind 3 to 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 57 °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

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 57. South southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Sunday
A 20 percent chance of rain before 7am. Mostly sunny, with a high near 76. Breezy, with a south wind 6 to 11 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 52. West wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. West wind 3 to 8 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Wednesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 56.
Thursday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Mackay ID
 44.13°N 113.85°W (Elev. 7067 ft)
5:31 pm MDT Aug 22, 2026
7pm 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