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.

Partly Cloudy

58°F

14°C

Humidity 45%
Wind Speed N 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Apr 06:55 PM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 29. Breezy, with a south wind 17 to 22 mph, with gusts as high as 29 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A chance of snow between 9am and noon, then snow showers likely after noon. Some thunder is also possible.  Partly sunny, with a high near 36. Breezy, with a south southwest wind 18 to 28 mph, with gusts as high as 43 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 36 °F

    Breezy.
    Chance Snow
    then Snow
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 24. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 24 °F

    Slight 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 32. 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 38 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 21. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely
    and Breezy

  • Monday

    Monday: Snow.  High near 25. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 20. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

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

    High: 30 °F

    Slight Chance
    Snow

  • Tuesday Night

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

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. Breezy, with a south wind 17 to 22 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow between 9am and noon, then snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 36. Breezy, with a south southwest wind 18 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 24. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 32. 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 38 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow. High near 25. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 28. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 16. Breezy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 21.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 11.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
5:31 pm MDT Apr 10, 2026
7pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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