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

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 05:20 AM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Today

    Today: A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 35. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Breezy.
    Chance Snow
    then Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm.  Mostly cloudy, with a low around 24. West southwest wind 10 to 20 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow before noon, then snow showers after noon. Some thunder is also possible.  High near 32. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 21. West southwest wind 14 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow Likely

  • Monday

    Monday: Snow, mainly after noon.  High near 25. West southwest wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Chance Snow
    then Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 18. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 26. Breezy.  Chance of precipitation is 70%.

    High: 26 °F

    Chance Snow
    then Snow
    Likely and
    Breezy

Detailed Forecast

Today
A chance of snow before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 35. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 24. West southwest wind 10 to 20 mph, with gusts as high as 28 mph.
Sunday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 32. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. West southwest wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly after noon. High near 25. West southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 26. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 14. Breezy. Chance of precipitation is 70%.
Thursday
Snow likely. Mostly cloudy, with a high near 18. Blustery. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 8.
Friday
A 20 percent chance of snow. Sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
12:31 am MDT Apr 11, 2026
5am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database