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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

63°F

17°C

Humidity 55%
Wind Speed NNW 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Aug 08:20 AM MDT
Extended Forecast for

6 Miles N Mackay ID

  • Today

    Today: Rain likely before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Snow level 12800 feet. Mostly cloudy, with a steady temperature around 48. South southwest wind around 8 mph. Chance of precipitation is 70%.

    High: 48 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of rain. Snow level 13000 feet lowering to 12400 feet after midnight . Cloudy, with a low around 43. Southwest wind 5 to 8 mph.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Snow level 12300 feet. Mostly cloudy, with a high near 50. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 50 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then rain likely after 9pm. Snow level 12200 feet lowering to 11200 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of rain and snow showers before 9am, then a slight chance of snow between 9am and noon. Some thunder is also possible. Sunny, with a high near 49. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Snow level 11800 feet. Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Rain likely before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Snow level 12800 feet. Mostly cloudy, with a steady temperature around 48. South southwest wind around 8 mph. Chance of precipitation is 70%.
Tonight
A 50 percent chance of rain. Snow level 13000 feet lowering to 12400 feet after midnight . Cloudy, with a low around 43. Southwest wind 5 to 8 mph.
Saturday
Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Snow level 12300 feet. Mostly cloudy, with a high near 50. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms, then rain likely after 9pm. Snow level 12200 feet lowering to 11200 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday
A slight chance of rain and snow showers before 9am, then a slight chance of snow between 9am and noon. Some thunder is also possible. Sunny, with a high near 49. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Snow level 11800 feet. Mostly sunny, with a high near 53.
Tuesday Night
A 20 percent chance of rain before midnight. Snow level 11700 feet lowering to 10800 feet after midnight . Partly cloudy, with a low around 40.
Wednesday
A 20 percent chance of rain. Snow level 10600 feet. Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Mackay ID
 43.98°N 113.6°W (Elev. 10505 ft)
Last Update:
5:31 am MDT Aug 28, 2026
Forecast Valid:
8am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation