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.

Rain

46°F

8°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 11:20 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: A 20 percent chance of snow before 2am.  Mostly cloudy, with a low around 26. Breezy, with a south wind 21 to 23 mph.

    Low: 26 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday

    Saturday: A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 32. Windy, with a south wind 23 to 32 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Windy. Chance
    Snow then
    Snow Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 21. Breezy, with a south southwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely before noon, then snow showers after noon. Some thunder is also possible.  High near 28. Windy, with a south southeast wind 14 to 19 mph increasing to 25 to 30 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: 28 °F

    Snow Showers
    and Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 18. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow Likely
    and Breezy

  • Monday

    Monday: Snow, mainly after noon.  High near 22. Breezy.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Chance Snow
    then Snow and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 17. New snow accumulation of around an inch possible.

    Low: 17 °F

    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow.  Mostly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before 2am. Mostly cloudy, with a low around 26. Breezy, with a south wind 21 to 23 mph.
Saturday
A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 32. Windy, with a south wind 23 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Breezy, with a south southwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 32 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 28. Windy, with a south southeast wind 14 to 19 mph increasing to 25 to 30 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
Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow, mainly after noon. High near 22. Breezy. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. New snow accumulation of around an inch possible.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 13. Breezy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 18.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
5:31 pm MDT Apr 10, 2026
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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