Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

45°F

7°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 21 Apr 02:35 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

Winter Weather Advisory April 22, 12:00am until April 23, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 37. Breezy, with a south southwest wind 18 to 22 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 49. Windy, with a south wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 49 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 3am.  Partly cloudy, with a low around 26. Windy, with a south southwest wind 30 to 37 mph, with gusts as high as 47 mph.  New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Windy. Partly
    Cloudy then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times. Some thunder is also possible.  High near 28. Windy, with a south wind 29 to 32 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 17. Windy, with a west northwest wind 29 to 33 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 17 °F

    Snow Showers
    and Windy

  • Thursday

    Thursday: Snow showers likely, mainly after noon.  Mostly cloudy, with a high near 25. Windy.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. The snow could be heavy at times.  Mostly cloudy, with a low around 13. Windy.  Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow
    and Windy
    then Chance
    Snow Showers
    and Blustery

  • Friday

    Friday: A 50 percent chance of snow.  Partly sunny, with a high near 20. Blustery.

    High: 20 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Chance Snow
    and Blustery

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Breezy, with a south southwest wind 18 to 22 mph.
Tuesday
Sunny, with a high near 49. Windy, with a south wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.
Tuesday Night
A 30 percent chance of snow showers after 3am. Partly cloudy, with a low around 26. Windy, with a south southwest wind 30 to 37 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 28. Windy, with a south wind 29 to 32 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow showers. Low around 17. Windy, with a west northwest wind 29 to 33 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 25. Windy. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. The snow could be heavy at times. Mostly cloudy, with a low around 13. Windy. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 20. Blustery.
Friday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Blustery.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 24.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 26.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
2:39 am MDT Apr 21, 2026
2am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
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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