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

58°F

14°C

Humidity 45%
Wind Speed N 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Apr 06:55 PM MDT
Extended Forecast for

19 Miles NE Mackay ID

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 10pm.  Snow level 9700 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 38. South wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Rain and snow showers likely, becoming all snow after 4pm. Some thunder is also possible.  Snow level 8800 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 47. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight.  Partly cloudy, with a low around 33. West southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.  Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 43. Breezy, with a southeast wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 30. Southwest wind 8 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 38 °F

    Snow Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 10pm. Snow level 9700 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 38. South wind 9 to 17 mph, with gusts as high as 25 mph.
Saturday
Rain and snow showers likely, becoming all snow after 4pm. Some thunder is also possible. Snow level 8800 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 47. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 33. West southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Little or no snow accumulation expected.
Sunday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 43. Breezy, with a southeast wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 30. Southwest wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28. 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 42.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 40. Breezy.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Breezy.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 32.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 20.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Mackay ID
 44.1°N 113.32°W (Elev. 8199 ft)
5:31 pm MDT Apr 10, 2026
7pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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