Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Rain

72°F

22°C

Humidity 37%
Wind Speed E 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 27 Aug 12:00 PM MDT
Extended Forecast for

Clayton ID

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 2pm and 5pm.  Mostly cloudy, with a high near 87. West southwest wind 8 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly before 5pm.  Cloudy, with a high near 76. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 78. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 9pm.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly cloudy, with a high near 87. West southwest wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 55. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
Showers likely, mainly before 5pm. Cloudy, with a high near 76. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 80.
Monday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton ID
 44.25°N 114.38°W (Elev. 5600 ft)
11:31 am MDT Aug 27, 2026
12pm MDT Aug 27, 2026-6pm MDT Sep 2, 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