Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

69°F

21°C

Humidity 21%
Wind Speed N 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Jun 10:55 PM MDT
Extended Forecast for

23 Miles NNW Mackay ID

Fire Weather Watch June 20, 09:00am until June 20, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 44. West northwest wind 6 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 64. West southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 64 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain and snow after 5am.  Snow level 12700 feet lowering to 12200 feet after midnight . Mostly cloudy, with a low around 48. West wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 48 °F

    Cloudy then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon.  Snow level 12000 feet. High near 52. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    High: 52 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Snow level 12100 feet lowering to 11200 feet after midnight . Partly cloudy, with a low around 39. West wind 7 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

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

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. West northwest wind 6 to 10 mph.
Juneteenth
Increasing clouds, with a high near 64. West southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A chance of rain and snow after 5am. Snow level 12700 feet lowering to 12200 feet after midnight . Mostly cloudy, with a low around 48. West wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. Snow level 12000 feet. High near 52. West northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Snow level 12100 feet lowering to 11200 feet after midnight . Partly cloudy, with a low around 39. West wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 59.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 65. Breezy.
Wednesday Night
Mostly clear, with a low around 45. Breezy.
Thursday
Sunny, with a high near 63. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNW Mackay ID
 44.22°N 113.8°W (Elev. 9774 ft)
5:31 pm MDT Jun 18, 2026
11pm MDT Jun 18, 2026-6pm MDT Jun 25, 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