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.

heavy rain

64°F

18°C

Humidity 64%
Wind Speed WNW 14 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 2.50 mi
Last update 13 Aug 04:55 PM MDT
Extended Forecast for

18 Miles WNW Mackay ID

Red Flag Warning until August 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 13, 09:00pm

    NOW until 9:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 67 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 48. South southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 67. Light and variable wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 80%.

    High: 67 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: A chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and midnight.  Mostly cloudy, with a low around 48. South southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon.  High near 70. Calm wind becoming south around 6 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 47. Chance of precipitation is 50%.

    Low: 47 °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 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 67. South wind around 7 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 48. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Light and variable wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
A chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 48. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm after noon. High near 70. Calm wind becoming south around 6 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 47. 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 50.
Monday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 72.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 48.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 47.
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 WNW Mackay ID
 44.04°N 113.92°W (Elev. 6522 ft)
12:31 pm MDT Aug 13, 2026
5pm 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