Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

66°F

19°C

Humidity 34%
Wind Speed SE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Aug 09:20 AM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Today

    Today: A slight chance of showers and thunderstorms between 3pm and 4pm.  Partly sunny, with a high near 74. Light south southwest wind becoming west 6 to 11 mph in the afternoon.  Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 53. West southwest wind 5 to 10 mph becoming light south southwest  after midnight.

    Low: 53 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Cloudy, with a high near 67. Calm wind becoming south 5 to 9 mph in the morning.  Chance of precipitation is 60%.

    High: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 48. South southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely then
    Chance Rain

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after noon.  High near 63. Calm wind becoming south southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 90%.

    High: 63 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely, mainly between 9pm and midnight.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon.  High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 3pm and 4pm. Partly sunny, with a high near 74. Light south southwest wind becoming west 6 to 11 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 53. West southwest wind 5 to 10 mph becoming light south southwest after midnight.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 67. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 48. South southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Friday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 63. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 64. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.17°N 113.7°W (Elev. 7641 ft)
5:31 am MDT Aug 12, 2026
9am MDT Aug 12, 2026-6pm MDT Aug 18, 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