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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

43°F

6°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Nov 09:55 PM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Tonight

    Tonight: A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 21. Southwest wind around 8 mph.

    Low: 21 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. Southwest wind 6 to 9 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. South wind 7 to 11 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. South wind 6 to 9 mph becoming west in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. West wind 5 to 7 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 21. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 27. Southwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 21. South wind 7 to 11 mph.
Thursday
Mostly sunny, with a high near 26. South wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 20. West wind 5 to 7 mph.
Friday
Sunny, with a high near 27.
Friday Night
Mostly clear, with a low around 20.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 28.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
Last Update:
4:31 pm MST Nov 18, 2025
Forecast Valid:
10pm MST Nov 18, 2025-6pm MST Nov 25, 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