Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

70°F

21°C

Humidity 32%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Jul 12:20 AM MDT
Extended Forecast for

21 Miles WNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 56. West wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 4pm.  Increasing clouds, with a high near 81. West wind 6 to 11 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 26 mph.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 24 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West wind 5 to 10 mph becoming light  after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. West wind around 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Increasing clouds, with a high near 81. West wind 6 to 11 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. West wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
11:31 pm MDT Jul 14, 2025
12am MDT Jul 15, 2025-6pm MDT Jul 21, 2025
 
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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