Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

37°F

3°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Apr 03:20 AM MDT
Extended Forecast for

9 Miles NNW Mackay ID

  • Overnight

    Overnight: A 20 percent chance of snow after 5am.  Mostly cloudy, with a low around 23. South wind around 10 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Snow showers, mainly before 5pm. The snow could be heavy at times. Some thunder is also possible.  High near 27. Breezy, with a south wind 13 to 18 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow between midnight and 5am.  Mostly cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph.  New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 23. Wind chill values as low as zero. West southwest wind 17 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 16. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow.  High near 26. Breezy.  Chance of precipitation is 90%.

    High: 26 °F

    Breezy. Snow
    Likely then
    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 14. Breezy.  Chance of precipitation is 90%.

    Low: 14 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 23. South wind around 10 mph.
Sunday
Snow showers, mainly before 5pm. The snow could be heavy at times. Some thunder is also possible. High near 27. Breezy, with a south wind 13 to 18 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 50 percent chance of snow between midnight and 5am. Mostly cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 23. Wind chill values as low as zero. West southwest wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 16. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow. High near 26. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 14. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 15. Breezy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 18. Blustery.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Mackay ID
 44.05°N 113.65°W (Elev. 11194 ft)
12:31 am MDT Apr 12, 2026
3am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database