National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

45°F

7°C

Humidity 93%
Wind Speed WSW 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 01:05 AM MDT
Extended Forecast for

16 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. South wind 17 to 21 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 32. Breezy, with a south wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Breezy.
    Chance Snow
    then Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 23. West southwest wind 10 to 20 mph becoming south southeast after midnight. Winds could gust as high as 29 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow before noon, then snow showers after noon. Some thunder is also possible. High near 29. Breezy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. Breezy, with a west southwest wind 14 to 22 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
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 23. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18. 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 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

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

    Low: 19 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. South wind 17 to 21 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 32. Breezy, with a south wind 21 to 25 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 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 23. West southwest wind 10 to 20 mph becoming south southeast after midnight. Winds could gust as high as 29 mph.
Sunday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 29. Breezy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust 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. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 23. Chance of precipitation is 70%. 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 18. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 19. Breezy.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 25. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 13. Breezy. Chance of precipitation is 70%.
Thursday
Snow likely. Partly sunny, with a high near 16. Blustery. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 8. Blustery.
Friday
A 20 percent chance of snow. Sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
Last Update:
12:31 am MDT Apr 11, 2026
Forecast Valid:
1am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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