Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

58°F

14°C

Humidity 57%
Wind Speed SW 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 30 Jul 03:55 AM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Today

    Today: Scattered showers and thunderstorms, mainly after 2pm.  Patchy smoke before 3pm. Snow level 12800 feet rising to 14000 feet in the afternoon. Increasing clouds, with a high near 59. West southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    High: 59 °F

    Patchy Smoke
    then
    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Snow level 13900 feet lowering to 12900 feet after midnight . Partly cloudy, with a low around 46. Southwest wind 8 to 10 mph.  Chance of precipitation is 20%.

    Low: 46 °F

    Isolated
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy smoke between 3pm and 4pm. Snow level 13100 feet rising to 14300 feet in the afternoon. Mostly sunny, with a high near 62. Southwest wind 7 to 10 mph becoming northwest in the morning.

    High: 62 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. South wind 9 to 13 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Breezy.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 2pm. Patchy smoke before 3pm. Snow level 12800 feet rising to 14000 feet in the afternoon. Increasing clouds, with a high near 59. West southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 8pm. Snow level 13900 feet lowering to 12900 feet after midnight . Partly cloudy, with a low around 46. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke between 3pm and 4pm. Snow level 13100 feet rising to 14300 feet in the afternoon. Mostly sunny, with a high near 62. Southwest wind 7 to 10 mph becoming northwest in the morning.
Friday Night
Mostly clear, with a low around 49. South wind 9 to 13 mph.
Saturday
Sunny, with a high near 66. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Mostly clear, with a low around 48. Breezy.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Mostly clear, with a low around 39. Breezy.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
12:31 am MDT Jul 30, 2026
4am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database