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

70°F

21°C

Humidity 24%
Wind Speed NNE 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 Jun 08:35 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Clear, with a low around 35. Windy, with a north northwest wind 20 to 30 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 37 mph.

    Low: 35 °F

    Mostly Clear
    and Windy
    then 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 44. West wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: 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

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after midnight.  Snow level 12900 feet lowering to 12300 feet after midnight . Mostly cloudy, with a low around 46. West southwest wind 8 to 18 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after noon.  Snow level 12000 feet. High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Snow level 12000 feet lowering to 11200 feet after midnight . Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 35. Windy, with a north northwest wind 20 to 30 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 37 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 44. West wind 8 to 16 mph, with gusts as high as 24 mph.
Juneteenth
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 30 percent chance of showers after midnight. Snow level 12900 feet lowering to 12300 feet after midnight . Mostly cloudy, with a low around 46. West southwest wind 8 to 18 mph, with gusts as high as 24 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. Snow level 12000 feet. High near 50. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Snow level 12000 feet lowering to 11200 feet after midnight . Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, 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 60.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
5:30 pm MDT Jun 17, 2026
8pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database