Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

55°F

13°C

Humidity 76%
Wind Speed NW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Jun 09:30 PM MDT
Extended Forecast for

Clayton IDSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Calm wind becoming south around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 11am.  Snow level 10400 feet rising to 11500 feet in the afternoon. Partly sunny, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Snow level 11400 feet lowering to 9900 feet after midnight . Partly cloudy, with a low around 40. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Snow level 10700 feet rising to 11300 feet in the afternoon. Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Calm wind becoming south around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Snow level 10400 feet rising to 11500 feet in the afternoon. Partly sunny, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Snow level 11400 feet lowering to 9900 feet after midnight . Partly cloudy, with a low around 40. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 62. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 45. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Snow level 10700 feet rising to 11300 feet in the afternoon. Mostly sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 44.
Independence Day
Sunny, with a high near 69.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton IDSimilar City Names
 44.25°N 114.41°W (Elev. 8199 ft)
5:31 pm MDT Jun 30, 2026
9pm MDT Jun 30, 2026-6pm MDT Jul 7, 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