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.

Partly Cloudy

54°F

12°C

Humidity 58%
Wind Speed NNE 3 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 12:35 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers. Some thunder is also possible. High near 37. Windy, with a south southwest wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

    High: 37 °F

    Snow Showers
    and Windy

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 27. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely before 3pm, then snow showers, mainly between 3pm and 5pm. The snow could be heavy at times. Some thunder is also possible. High near 34. Windy, with a south wind 16 to 21 mph increasing to 27 to 32 mph in the morning. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 27. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 23. Breezy. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow. High near 29. Breezy. Chance of precipitation is 80%.

    High: 29 °F

    Snow and
    Breezy

Detailed Forecast

This Afternoon
Snow showers. Some thunder is also possible. High near 37. Windy, with a south southwest wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 27. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before 3pm, then snow showers, mainly between 3pm and 5pm. The snow could be heavy at times. Some thunder is also possible. High near 34. Windy, with a south wind 16 to 21 mph increasing to 27 to 32 mph in the morning. Winds could gust as high as 43 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 21. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 27. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 30 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 23. Breezy. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 32. Breezy.
Tuesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 25. Breezy.
Wednesday
Snow. High near 29. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. Low around 15. Breezy. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 20. Blustery. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around 9. Blustery.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
Last Update:
12:31 pm MDT Apr 11, 2026
Forecast Valid:
12pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation