Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

30°F

-1°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 07 Dec 11:05 PM MST
Extended Forecast for

8 Miles NNE Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Wind chill values as low as -1. West wind around 18 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. Wind chill values as low as -1. West wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a temperature rising to around 26 by 4am. Breezy, with a west wind 14 to 23 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 26. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 26 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow, mainly after 11pm.  Low around 24. Breezy, with a west wind 14 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow likely.  Mostly cloudy, with a high near 29. Breezy.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 28. Breezy.  New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow
    and Breezy

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny, with a high near 28. Blustery.

    High: 28 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. Wind chill values as low as -1. West wind around 18 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 23. Wind chill values as low as -1. West wind 10 to 17 mph, with gusts as high as 24 mph.
Monday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature rising to around 26 by 4am. Breezy, with a west wind 14 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely. Mostly cloudy, with a high near 26. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
Snow, mainly after 11pm. Low around 24. Breezy, with a west wind 14 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely. Mostly cloudy, with a high near 29. Breezy. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. Breezy. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 28. Blustery.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Mackay ID
 44.01°N 113.55°W (Elev. 10650 ft)
10:31 pm MST Dec 7, 2025
11pm MST Dec 7, 2025-6pm MST Dec 14, 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