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.

Partly Cloudy

55°F

13°C

Humidity 47%
Wind Speed NW 3 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Apr 09:05 PM MDT
Extended Forecast for

12 Miles NNE Mackay ID

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 10pm.  Partly cloudy, with a low around 32. South southwest wind around 18 mph, with gusts as high as 24 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then snow showers likely, mainly between noon and 5pm. Some thunder is also possible.  Partly sunny, with a high near 39. Windy, with a south southwest wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 49 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Windy. Chance
    Snow then
    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight.  Partly cloudy, with a low around 27. Breezy, with a west southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 35. Windy, with a south southeast wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 24. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Likely
    and Breezy

  • Monday

    Monday: Snow, mainly after noon.  High near 30. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Chance Snow
    then Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 23. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow.  Mostly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 32. South southwest wind around 18 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow before noon, then snow showers likely, mainly between noon and 5pm. Some thunder is also possible. Partly sunny, with a high near 39. Windy, with a south southwest wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 27. Breezy, with a west southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 35. Windy, with a south southeast wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow, mainly after noon. High near 30. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Snow likely, mainly after noon. Partly sunny, with a high near 32. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Breezy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 26.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 15.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
5:31 pm MDT Apr 10, 2026
9pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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