Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

96°F

36°C

Humidity 8%
Wind Speed W 18 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 01 Aug 05:55 PM MDT
Extended Forecast for

Challis ID

Heat Advisory August 1, 06:09pm until August 2, 12:00am
Red Flag Warning until August 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory August 1, 06:09pm until August 2, 12:00am
    Red Flag Warning until August 2, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 56 °F

    Patchy Smoke

  • Sunday

    Sunday: Sunny, with a high near 89. Light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 26 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Patchy smoke between 11pm and 4am. Partly cloudy, with a low around 56. West southwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 89. Light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly clear, with a low around 49. West wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
5:30 pm MDT Aug 1, 2026
6pm MDT Aug 1, 2026-6pm MDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database