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

54°F

12°C

Humidity 52%
Wind Speed N 3 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Apr 12:55 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Rain likely, possibly mixed with snow showers before 4pm, then rain showers between 4pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. Some thunder is also possible. Snow level 8400 feet. High near 48. South southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow

  • Tonight

    Tonight: A slight chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 32. West southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible. High near 44. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 6 to 15 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow. High near 38. Breezy. Chance of precipitation is 80%.

    High: 38 °F

    Snow and
    Breezy

Detailed Forecast

This Afternoon
Rain likely, possibly mixed with snow showers before 4pm, then rain showers between 4pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. Some thunder is also possible. Snow level 8400 feet. High near 48. South southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A slight chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 32. West southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday
Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible. High near 44. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 6 to 15 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 28. 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 42.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Snow. High near 38. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. Low around 23. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 29. Blustery. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around 14.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.71°W (Elev. 7484 ft)
Last Update:
12:31 pm MDT Apr 11, 2026
Forecast Valid:
1pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation