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

37°F

3°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Apr 03:20 AM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. South southeast wind around 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 31. Breezy, with a southeast wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 11pm.  Partly cloudy, with a low around 20. Southwest wind 14 to 21 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 26. West southwest wind around 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 21. West northwest wind 10 to 16 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • 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.  High near 28. Breezy.  Chance of precipitation is 90%.

    High: 28 °F

    Breezy. Snow
    Likely then
    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 15. Breezy.  Chance of precipitation is 90%.

    Low: 15 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. South southeast wind around 10 mph.
Sunday
Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 31. Breezy, with a southeast wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 50 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 20. Southwest wind 14 to 21 mph, with gusts as high as 25 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 around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. West northwest wind 10 to 16 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 23. Breezy.
Wednesday
Snow. High near 28. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 15. Breezy. Chance of precipitation is 90%.
Thursday
Snow likely. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10. Blustery.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 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