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

79°F

26°C

Humidity 15%
Wind Speed NNE 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 04 Aug 02:00 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Patchy smoke. Sunny, with a high near 57. West wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 57 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 39. North northwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny, with a high near 61. West wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 61 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Mostly clear, with a low around 43. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Sunny, with a high near 66. West wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 66 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy smoke. Sunny, with a high near 57. West wind 11 to 15 mph, with gusts as high as 22 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 39. North northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Wednesday
Areas of smoke. Sunny, with a high near 61. West wind 7 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Patchy smoke. Mostly clear, with a low around 43. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Thursday
Patchy smoke. Sunny, with a high near 66. West wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 65. Breezy.
Sunday Night
Mostly clear, with a low around 47. Breezy.
Monday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
12:31 pm MDT Aug 4, 2026
2pm 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