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

50°F

10°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Jun 04:05 AM MDT
Extended Forecast for

19 Miles N Mackay ID

  • Today

    Today: Sunny, with a high near 68. Light west northwest wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 22 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Northwest wind 11 to 16 mph becoming light west  after midnight. Winds could gust as high as 22 mph.

    Low: 47 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 70. Light and variable wind becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 52. West southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 22 mph.

    Low: 52 °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 58. West wind 5 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 58 °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 12000 feet lowering to 11100 feet after midnight . Partly cloudy, with a low around 42. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Light west northwest wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 47. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 70. Light and variable wind becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 52. West southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 22 mph.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Snow level 12000 feet. High near 58. West wind 5 to 14 mph, with gusts as high as 20 mph. 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 12000 feet lowering to 11100 feet after midnight . Partly cloudy, with a low around 42. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 69. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles N Mackay ID
 44.17°N 113.67°W (Elev. 8875 ft)
12:31 am MDT Jun 18, 2026
4am 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