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.

Rain

46°F

8°C

Humidity 81%
Wind Speed ESE 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 10 Apr 11:05 PM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Tonight

    Tonight: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain showers likely before 4pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 50. South wind 7 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 50 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Rain and snow likely before noon, then rain showers between noon and 3pm, then rain, possibly mixed with snow showers after 3pm. Some thunder is also possible. High near 45. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely before 9pm, then rain likely, possibly mixed with snow between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 31. Southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.
Saturday
Rain showers likely before 4pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 50. South wind 7 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Rain and snow likely before noon, then rain showers between noon and 3pm, then rain, possibly mixed with snow showers after 3pm. Some thunder is also possible. High near 45. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain likely before 9pm, then rain likely, possibly mixed with snow between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 31. Southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 41.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
Last Update:
5:31 pm MDT Apr 10, 2026
Forecast Valid:
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation