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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Partly Cloudy

45°F

7°C

Humidity 41%
Wind Speed SW 5 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Apr 08:55 PM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Tonight

    Tonight: A slight chance of snow before midnight, then a chance of snow after 2am. Mostly cloudy, with a low around 29. South wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: Snow before 5pm, then a chance of rain and snow. High near 41. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight. Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A slight chance of snow before midnight, then a chance of snow after 2am. Mostly cloudy, with a low around 29. South wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Snow before 5pm, then a chance of rain and snow. High near 41. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 27. West northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 45. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday
Snow, mainly after noon. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after midnight. Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.1°N 113.99°W (Elev. 6660 ft)
Last Update:
5:31 pm MDT Apr 12, 2026
Forecast Valid:
9pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation