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.

Clear

45°F

7°C

Humidity 39%
Wind Speed WSW 13 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Apr 09:30 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 6 to 9 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: Snow, mainly before 4pm. High near 38. South wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. West wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 24. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °F

    Snow Likely

  • Thursday Night

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

    Low: 16 °F

    Chance Snow

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 6 to 9 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow, mainly before 4pm. High near 38. South wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 28. West northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 43. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. West wind 6 to 13 mph, with gusts as high as 18 mph.
Wednesday
Snow, mainly after noon. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 24. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 48.
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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 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