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.

Overcast

37°F

3°C

Humidity 86%
Wind Speed NW 3 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Apr 08:05 AM MDT
Extended Forecast for

14 Miles N Mackay ID

  • Today

    Today: Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 40. Breezy, with a south wind 11 to 16 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 43 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Showers
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly before 2am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West southwest wind 13 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 35. West southwest wind 14 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 23. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 40. West southwest wind 9 to 16 mph, with gusts as high as 29 mph.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow.  High near 35. Breezy.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely
    then Snow and
    Breezy

  • 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 25. Blustery.  Chance of precipitation is 80%.

    High: 25 °F

    Snow and
    Blustery

Detailed Forecast

Today
Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 40. Breezy, with a south wind 11 to 16 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 43 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West southwest wind 13 to 18 mph, with gusts as high as 31 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 35. West southwest wind 14 to 16 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 23. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 40. West southwest wind 9 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Snow. High near 35. 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 25. Blustery. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 13. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Mackay ID
 44.11°N 113.6°W (Elev. 8474 ft)
5:31 am MDT Apr 12, 2026
8am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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