National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

46°F

8°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Apr 01:20 AM MDT
Extended Forecast for

19 Miles NE Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. South wind around 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before noon, then a chance of rain showers between noon and 1pm, then rain and snow showers likely after 1pm. Some thunder is also possible. Snow level 8900 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 46. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 33. Southwest wind 11 to 16 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 24 mph. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 42. Southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. Southwest wind 8 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 35 °F

    Chance Snow
    then 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. Mostly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South wind around 10 mph.
Saturday
A chance of rain and snow showers before noon, then a chance of rain showers between noon and 1pm, then rain and snow showers likely after 1pm. Some thunder is also possible. Snow level 8900 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 46. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 33. Southwest wind 11 to 16 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 24 mph. Little or no snow accumulation expected.
Sunday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 42. Southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. Southwest wind 8 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 35. 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. Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 38. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 70%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 29.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18.
Friday
Sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Mackay ID
 44.1°N 113.32°W (Elev. 8199 ft)
Last Update:
12:31 am MDT Apr 11, 2026
Forecast Valid:
1am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation