National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

thunder

78°F

26°C

Humidity 46%
Wind Speed NW 8 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 05:55 PM MDT
Extended Forecast for

19 Miles W Challis ID

Red Flag Warning August 22, 06:07pm until August 22, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning August 22, 06:07pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 8am. Sunny, with a high near 69. Southwest wind 9 to 17 mph, with gusts as high as 33 mph.

    High: 69 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West southwest wind 6 to 13 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

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 49. South southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of rain before 8am. Sunny, with a high near 69. Southwest wind 9 to 17 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 44. West southwest wind 6 to 13 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 72. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles W Challis ID
 44.51°N 114.62°W (Elev. 8199 ft)
Last Update:
5:31 pm MDT Aug 22, 2026
Forecast Valid:
6pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation