Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

41°F

5°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Nov 08:20 PM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Southwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers, mainly after 11pm.  Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 29 mph.  New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Friday

    Friday: Snow showers likely, mainly before 11am.  Partly sunny, with a high near 32. West southwest wind 16 to 20 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. West wind around 13 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow showers.  Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. Southwest wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 37. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly before 11am. Partly sunny, with a high near 32. West southwest wind 16 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Partly cloudy, with a low around 24. West wind around 13 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A 40 percent chance of snow showers. Partly sunny, with a high near 27.
Sunday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 22.
Monday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 15.
Tuesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 16.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
A 30 percent chance of snow showers. Partly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
4:31 pm MST Nov 12, 2025
8pm MST Nov 12, 2025-6pm MST Nov 19, 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