National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

57°F

14°C

Humidity 30%
Wind Speed NNW 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 08 Oct 01:00 PM MDT
Extended Forecast for

8 Miles NE Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. South wind around 14 mph, with gusts as high as 22 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Snow level 10400 feet rising to 11600 feet after midnight. Partly cloudy, with a low around 38. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Snow level 11300 feet. Partly sunny, with a high near 46. Southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after midnight. Snow level 10600 feet rising to 11100 feet after midnight. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Showers

  • Saturday

    Saturday: Rain showers likely before 9am, then rain and snow showers likely between 9am and noon, then a chance of snow showers after noon. Snow level 10600 feet lowering to 9300 feet in the afternoon . Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A 50 percent chance of snow showers. Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 44. South wind around 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 35. South wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 49. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A 30 percent chance of showers after midnight. Snow level 10400 feet rising to 11600 feet after midnight. Partly cloudy, with a low around 38. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Snow level 11300 feet. Partly sunny, with a high near 46. Southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Snow level 10600 feet rising to 11100 feet after midnight. Low around 36. Chance of precipitation is 80%.
Saturday
Rain showers likely before 9am, then rain and snow showers likely between 9am and noon, then a chance of snow showers after noon. Snow level 10600 feet lowering to 9300 feet in the afternoon . Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 23.
Sunday
A 50 percent chance of snow showers. Partly sunny, with a high near 27.
Sunday Night
A 30 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 21.
Columbus Day
A 40 percent chance of snow showers. Partly sunny, with a high near 30.
Monday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 26.
Tuesday
A 40 percent chance of snow showers. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Mackay ID
 44.01°N 113.52°W (Elev. 9265 ft)
Last Update:
11:31 am MDT Oct 8, 2025
Forecast Valid:
1pm MDT Oct 8, 2025-6pm MDT Oct 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation