National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Continues Across the Southern Plains and Gulf Coast; Heavy Rainfall from the Tennessee Valley to Southeast on Friday

Hazardous heat will continue across the Southern Plains, Gulf Coast and Desert Southwest through the weekend. Additional heat will build into the Great Basin and Northern Plains this weekend. A stalled front is expected to bring periods of heavy to excessive rainfall and flooding from the Tennessee Valley to the Southeast U.S on Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

88°F

31°C

Humidity 31%
Wind Speed SSE 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 23 Jul 06:35 PM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming north northwest in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 25 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming north northwest in the evening.
Friday
Sunny, with a high near 68. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 54. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 52. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 68. Breezy.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
A 20 percent chance of showers and thunderstorms. Snow level 13100 feet rising to 13800 feet in the afternoon. Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
Last Update:
5:30 pm MDT Jul 23, 2026
Forecast Valid:
6pm MDT Jul 23, 2026-6pm MDT Jul 30, 2026
 
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Additional Resources

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Chance of Precipitation