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

51°F

11°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 11:55 AM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers. Some thunder is also possible.  High near 35. Breezy, with a south wind 20 to 23 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm.  Partly cloudy, with a low around 26. West southwest wind 9 to 18 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow likely before noon, then snow showers after noon. Some thunder is also possible.  High near 32. Breezy, with a southeast wind 13 to 23 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Likely
    then Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 22. West southwest wind 14 to 20 mph, with gusts as high as 25 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 25. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 20. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 30.

    High: 30 °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
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 27. Breezy.  Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely
    and Breezy

Detailed Forecast

This Afternoon
Snow showers. Some thunder is also possible. High near 35. Breezy, with a south wind 20 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 26. West southwest wind 9 to 18 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.
Sunday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 32. Breezy, with a southeast wind 13 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. West southwest wind 14 to 20 mph, with gusts as high as 25 mph. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 25. West southwest wind 14 to 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 30 percent chance of snow before midnight. Mostly cloudy, with a low around 20. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 19. Blustery.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 11. Blustery.
Friday
Sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
11:31 am MDT Apr 11, 2026
12pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database