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

38°F

3°C

Humidity 78%
Wind Speed NNE 3 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Apr 02:55 AM MDT
Extended Forecast for

7 Miles NE Mackay ID

  • Overnight

    Overnight: A 20 percent chance of snow after 5am.  Mostly cloudy, with a low around 25. South wind around 10 mph.

    Low: 25 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 30. Breezy, with a south wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow between midnight and 4am.  Partly cloudy, with a low around 18. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 26. West southwest wind 17 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Chance Snow
    then Snow
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 19. West northwest wind 16 to 18 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 28. Breezy.  Chance of precipitation is 90%.

    High: 28 °F

    Breezy.
    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 17. Breezy.  Chance of precipitation is 90%.

    Low: 17 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 25. South wind around 10 mph.
Sunday
Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 30. Breezy, with a south wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 50 percent chance of snow between midnight and 4am. Partly cloudy, with a low around 18. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 26. West southwest wind 17 to 21 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 19. West northwest wind 16 to 18 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 23. Breezy.
Wednesday
Snow, mainly after noon. High near 28. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 17. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 18. Breezy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 20. Blustery.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Mackay ID
 43.99°N 113.55°W (Elev. 9961 ft)
12:31 am MDT Apr 12, 2026
3am 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