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

59°F

15°C

Humidity 33%
Wind Speed NNW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Jun 11:55 PM MDT
Extended Forecast for

15 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Cloudy, with a low around 41. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 60. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 60 °F

    Mostly 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 45. West wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 45 °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 48. Chance of precipitation is 90%.

    High: 48 °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 . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 58. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Thursday Night
Cloudy, with a low around 41. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Juneteenth
Mostly sunny, with a high near 60. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 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 45. West wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. Snow level 12000 feet. High near 48. 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 . Mostly cloudy, with a low around 35.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
11:30 pm MDT Jun 17, 2026
12am 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