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

34°F

1°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 05:05 AM MDT
Extended Forecast for

11 Miles NNW Mackay ID

  • Today

    Today: Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 26. Windy, with a south southeast wind 14 to 19 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Showers
    and Windy

  • Tonight

    Tonight: A 50 percent chance of snow between midnight and 5am.  Partly cloudy, with a low around 16. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 23. Wind chill values as low as -1. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 18. West northwest wind 15 to 20 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 28. West southwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Snow.  High near 25. Windy.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow Likely
    and Breezy
    then Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 13. Breezy.  Chance of precipitation is 90%.

    Low: 13 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 15. Breezy.  Chance of precipitation is 80%.

    High: 15 °F

    Snow and
    Breezy

Detailed Forecast

Today
Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 26. Windy, with a south southeast wind 14 to 19 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 50 percent chance of snow between midnight and 5am. Partly cloudy, with a low around 16. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 23. Wind chill values as low as -1. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 28 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. Partly cloudy, with a low around 18. West northwest wind 15 to 20 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 28. West southwest wind 14 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow. High near 25. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. Low around 13. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 15. Breezy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 17. Blustery.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
12:31 am MDT Apr 12, 2026
5am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database