Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

48°F

9°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 02 Jul 02:55 AM MDT
Extended Forecast for

23 Miles NNE Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 43. West southwest wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Light west wind becoming west southwest 5 to 9 mph in the morning.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. West wind 6 to 9 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Snow level 10500 feet rising to 12000 feet in the afternoon. Partly sunny, with a high near 62. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. West southwest wind 5 to 11 mph.

    Low: 48 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. West southwest wind around 5 mph.
Thursday
Increasing clouds, with a high near 61. Light west wind becoming west southwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 45. West wind 6 to 9 mph.
Friday
A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Snow level 10500 feet rising to 12000 feet in the afternoon. Partly sunny, with a high near 62. West wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 48. West southwest wind 5 to 11 mph.
Independence Day
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNE Mackay ID
 44.23°N 113.5°W (Elev. 8740 ft)
2:44 am MDT Jul 2, 2026
3am MDT Jul 2, 2026-6pm MDT Jul 8, 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