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

90°F

32°C

Humidity 15%
Wind Speed NNW 6 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Jul 03:05 PM MDT
Extended Forecast for

19 Miles N Mackay ID

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 73. South southeast wind around 9 mph becoming west.  Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 52. East northeast wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 52 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Patchy smoke before 3pm. Increasing clouds, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 74 °F

    Patchy Smoke
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Patchy smoke after 4am. Partly cloudy, with a low around 54. West southwest wind 6 to 8 mph.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Smoke

  • Friday

    Friday: Patchy smoke before 7am. Mostly sunny, with a high near 77. West wind 6 to 8 mph becoming north northwest in the morning.

    High: 77 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Breezy.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 73. South southeast wind around 9 mph becoming west. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. East northeast wind 5 to 9 mph becoming light and variable after midnight.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy smoke before 3pm. Increasing clouds, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Patchy smoke after 4am. Partly cloudy, with a low around 54. West southwest wind 6 to 8 mph.
Friday
Patchy smoke before 7am. Mostly sunny, with a high near 77. West wind 6 to 8 mph becoming north northwest in the morning.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 54. Breezy.
Sunday
Sunny, with a high near 77. Breezy.
Sunday Night
Mostly clear, with a low around 46. Breezy.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles N Mackay ID
 44.18°N 113.55°W (Elev. 8146 ft)
1:13 pm MDT Jul 29, 2026
3pm MDT Jul 29, 2026-6pm MDT Aug 5, 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