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

36°F

2°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 05:20 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible.  Snow level rising to 7800 feet in the afternoon. High near 45. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow

  • Tonight

    Tonight: Snow likely, mainly before 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 38. Southwest wind 7 to 11 mph, with gusts as high as 22 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 20 percent chance of snow before midnight.  Partly cloudy, with a low around 27. West northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Light west wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow.  High near 39. Breezy.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 22. Chance of precipitation is 90%.

    Low: 22 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 27. Chance of precipitation is 80%.

    High: 27 °F

    Snow

Detailed Forecast

Today
Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible. Snow level rising to 7800 feet in the afternoon. High near 45. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Southwest wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 27. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Light west wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Snow. High near 39. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 22. Chance of precipitation is 90%.
Thursday
Snow. High near 27. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.71°W (Elev. 7484 ft)
12:31 am MDT Apr 12, 2026
5am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database