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

46°F

8°C

Humidity 87%
Wind Speed WSW 4 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Apr 11:35 PM MDT
Extended Forecast for

25 Miles N Mackay ID

  • Tonight

    Tonight: A slight chance of rain between midnight and 1am. Snow level 9300 feet. Mostly cloudy, with a low around 37. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of snow before noon, then snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Chance Snow
    then Snow
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 31. West wind 8 to 18 mph becoming south after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 41. Breezy, with a southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 28. Southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Likely

  • Monday

    Monday: Snow likely before noon, then snow showers between noon and 3pm, then snow after 3pm. Some thunder is also possible. High near 34. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow Showers

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between midnight and 1am. Snow level 9300 feet. Mostly cloudy, with a low around 37. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday
A chance of snow before noon, then snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 31. West wind 8 to 18 mph becoming south after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 41. Breezy, with a southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 28. Southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely before noon, then snow showers between noon and 3pm, then snow after 3pm. Some thunder is also possible. High near 34. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 28.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
Last Update:
11:31 pm MDT Apr 10, 2026
Forecast Valid:
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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