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

61°F

16°C

Humidity 86%
Wind Speed NNW 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 09:55 PM MDT
Extended Forecast for

23 Miles NNE Mackay ID

  • Tonight

    Tonight: A chance of rain before midnight, then a slight chance of rain after 5am.  Mostly cloudy, with a steady temperature around 57. West southwest wind around 6 mph becoming south after midnight.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon, then a slight chance of showers and thunderstorms between noon and 2pm.  Partly sunny through mid morning, then becoming sunny, with a high near 68. West southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. West wind 5 to 13 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. West wind 3 to 8 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 53. Southwest wind around 7 mph.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain before midnight, then a slight chance of rain after 5am. Mostly cloudy, with a steady temperature around 57. West southwest wind around 6 mph becoming south after midnight. Chance of precipitation is 50%.
Sunday
A chance of rain before noon, then a slight chance of showers and thunderstorms between noon and 2pm. Partly sunny through mid morning, then becoming sunny, with a high near 68. West southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 49. West wind 5 to 13 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 67. West wind 3 to 8 mph.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 53. Southwest wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNE Mackay ID
 44.23°N 113.5°W (Elev. 8740 ft)
5:31 pm MDT Aug 22, 2026
10pm 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