Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

55°F

13°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 04 Aug 09:05 AM MDT
Extended Forecast for

24 Miles NNW Mackay ID

  • Today

    Today: Areas of smoke. Sunny, with a high near 72. Light north wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Areas Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 48. North northwest wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny, with a high near 77. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.

    High: 77 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West northwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light southwest wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Breezy.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Areas of smoke. Sunny, with a high near 72. Light north wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 48. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Areas of smoke. Sunny, with a high near 77. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. West northwest wind 6 to 11 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 81. Light southwest wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58. Breezy.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 57. Breezy.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 55. Breezy.
Monday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNW Mackay ID
 44.23°N 113.71°W (Elev. 7434 ft)
8:06 am MDT Aug 4, 2026
9am MDT Aug 4, 2026-6pm MDT Aug 10, 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