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

57°F

14°C

Humidity 87%
Wind Speed NW 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Aug 03:35 AM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 47. South wind 8 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 8am.  Snow level 13600 feet lowering to 12700 feet in the afternoon . Mostly sunny, with a high near 61. 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: 61 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Patchy smoke between 9pm and 10pm. Mostly clear, with a low around 42. Breezy, with a west wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.

    Low: 42 °F

    Patchy Smoke
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Snow level 11900 feet rising to 13300 feet in the afternoon. Partly sunny, with a high near 61. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Snow level 13400 feet lowering to 12900 feet after midnight . Mostly cloudy, with a low around 46. West southwest wind 7 to 9 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Snow level 12900 feet. Mostly sunny, with a high near 62.

    High: 62 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Snow level 13200 feet. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Snow level 12900 feet rising to 13400 feet in the afternoon. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight.  Snow level 13400 feet lowering to 12700 feet after midnight . Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. South wind 8 to 10 mph.
Sunday
A 20 percent chance of showers before 8am. Snow level 13600 feet lowering to 12700 feet in the afternoon . Mostly sunny, with a high near 61. 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
Patchy smoke between 9pm and 10pm. Mostly clear, with a low around 42. Breezy, with a west wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Snow level 11900 feet rising to 13300 feet in the afternoon. Partly sunny, with a high near 61. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers before midnight. Snow level 13400 feet lowering to 12900 feet after midnight . Mostly cloudy, with a low around 46. West southwest wind 7 to 9 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Snow level 12900 feet. Mostly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of showers before midnight. Snow level 13200 feet. Mostly cloudy, with a low around 47.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Snow level 12900 feet rising to 13400 feet in the afternoon. Partly sunny, with a high near 60.
Wednesday Night
A 20 percent chance of rain before midnight. Snow level 13400 feet lowering to 12700 feet after midnight . Mostly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Snow level 12700 feet. Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A 20 percent chance of rain. Snow level 11600 feet rising to 12200 feet in the afternoon. Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A 20 percent chance of rain. Snow level 11600 feet. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
1:41 am MDT Aug 23, 2026
3am MDT Aug 23, 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