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

43°F

6°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Apr 11:05 AM MDT
Extended Forecast for

12 Miles NNE Mackay ID

  • Today

    Today: A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 35. Windy, with a south wind 24 to 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers
    and Windy

  • Tonight

    Tonight: A 50 percent chance of snow between midnight and 4am.  Partly cloudy, with a low around 21. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 33 mph.  New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 30. West southwest wind around 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 22. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 34. West southwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 34 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow.  High near 31. Breezy.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 31 °F

    Breezy. Snow
    Likely then
    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 19. Breezy.  Chance of precipitation is 90%.

    Low: 19 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 21. Blustery.  Chance of precipitation is 80%.

    High: 21 °F

    Snow and
    Blustery

Detailed Forecast

Today
A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 35. Windy, with a south wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 50 percent chance of snow between midnight and 4am. Partly cloudy, with a low around 21. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. West southwest wind around 18 mph, with gusts as high as 29 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 22. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 34. West southwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 25. Breezy.
Wednesday
Snow. High near 31. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 19. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 21. Blustery. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 12.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 24. Blustery.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
5:31 am MDT Apr 12, 2026
11am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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