Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

59°F

15°C

Humidity 80%
Wind Speed N 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 13 Aug 10:55 PM MDT
Extended Forecast for

18 Miles NW Mackay ID

  • Tonight

    Tonight: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 46. Light south southeast wind.

    Low: 46 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 68. Light and variable wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 80%.

    High: 68 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and 10pm.  Mostly cloudy, with a low around 45. Light and variable wind.  Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon.  High near 70. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 80%.

    High: 70 °F

    Partly Sunny
    then Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Partly cloudy, with a low around 45. Southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 46. Light south southeast wind.
Friday
Rain and possibly a thunderstorm before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 68. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 40%.
Saturday
Showers and possibly a thunderstorm after noon. High near 70. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 45. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74.
Monday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 48.
Tuesday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.09°N 113.9°W (Elev. 6276 ft)
9:46 pm MDT Aug 13, 2026
11pm MDT Aug 13, 2026-6pm MDT Aug 20, 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