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.

Overcast

54°F

12°C

Humidity 43%
Wind Speed SE 5 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 11 Apr 07:05 PM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • Tonight

    Tonight: A chance of snow before 8pm, then a slight chance of snow after 5am.  Partly cloudy, with a low around 23. West wind 10 to 17 mph becoming south after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Sunday

    Sunday: Snow showers, mainly before 5pm. Some thunder is also possible.  High near 29. Breezy, with a south southeast wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 17. Southwest wind 14 to 21 mph, with gusts as high as 31 mph.  New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 25. West southwest wind 14 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Chance Snow
    then Snow
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 18. West northwest wind 14 to 17 mph, with gusts as high as 26 mph.  New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight.  Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow.  High near 26. Breezy.  Chance of precipitation is 80%.

    High: 26 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 13. Breezy.  Chance of precipitation is 80%.

    Low: 13 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
A chance of snow before 8pm, then a slight chance of snow after 5am. Partly cloudy, with a low around 23. West wind 10 to 17 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow showers, mainly before 5pm. Some thunder is also possible. High near 29. Breezy, with a south southeast wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Southwest wind 14 to 21 mph, with gusts as high as 31 mph. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 25. West southwest wind 14 to 18 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 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18. West northwest wind 14 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 30.
Tuesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow. High near 26. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. Low around 13. Breezy. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 17. Blustery. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7. Blustery.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Apr 11, 2026
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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