Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

74°F

23°C

Humidity 37%
Wind Speed NNE 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Aug 10:55 AM MDT
Extended Forecast for

18 Miles NW Mackay ID

  • Today

    Today: Sunny, with a high near 86. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West northwest wind 5 to 13 mph becoming southwest in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Breezy, with a southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 55. West northwest wind 5 to 13 mph becoming southwest in the evening.
Wednesday
Sunny, with a high near 85. Breezy, with a southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 52. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Sunny, with a high near 81. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.06°N 113.92°W (Elev. 6411 ft)
9:46 am MDT Aug 12, 2025
11am MDT Aug 12, 2025-6pm MDT Aug 18, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database