Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

57°F

14°C

Humidity 35%
Wind Speed NNW 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Jun 01:00 AM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Overnight

    Overnight: Clear, with a low around 35. West wind 9 to 14 mph.

    Low: 35 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 58. West northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. West northwest wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 61. West wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Snow level 12900 feet lowering to 12300 feet after midnight . Mostly cloudy, with a low around 45. West southwest wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after noon.  Snow level 12000 feet. High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Snow level 11900 feet lowering to 11100 feet after midnight . Partly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

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

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 35. West wind 9 to 14 mph.
Thursday
Sunny, with a high near 58. West northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 43. West northwest wind 7 to 17 mph, with gusts as high as 24 mph.
Juneteenth
Mostly sunny, with a high near 61. West wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of rain after midnight. Snow level 12900 feet lowering to 12300 feet after midnight . Mostly cloudy, with a low around 45. West southwest wind 9 to 18 mph, with gusts as high as 25 mph.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Snow level 12000 feet. High near 49. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Snow level 11900 feet lowering to 11100 feet after midnight . Partly cloudy, with a low around 38. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 59. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
12:31 am MDT Jun 18, 2026
1am MDT Jun 18, 2026-6pm MDT Jun 24, 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