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

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Apr 03:20 AM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 28. South wind around 18 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 34. Breezy, with a south wind 18 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Breezy.
    Chance Snow
    then Snow
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 7pm.  Increasing clouds, with a low around 23. West southwest wind 9 to 18 mph becoming south southeast after midnight. Winds could gust as high as 29 mph.  New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow before noon, then snow showers after noon. Some thunder is also possible.  High near 30. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 19. West southwest wind 13 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Likely

  • Monday

    Monday: Snow, mainly after noon.  High near 24. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Chance Snow
    then Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 17. New snow accumulation of less than one inch possible.

    Low: 17 °F

    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 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. South wind around 18 mph, with gusts as high as 28 mph.
Saturday
A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 34. Breezy, with a south wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 30 percent chance of snow before 7pm. Increasing clouds, with a low around 23. West southwest wind 9 to 18 mph becoming south southeast after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than one inch possible.
Sunday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 30. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. West southwest wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly after noon. High near 24. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 17. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 26. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 14. Breezy. Chance of precipitation is 70%.
Thursday
Snow likely. Mostly cloudy, with a high near 18. Blustery. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9. Blustery.
Friday
A 20 percent chance of snow. Sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
12:31 am MDT Apr 11, 2026
3am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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