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.

Mostly Cloudy

54°F

12°C

Humidity 50%
Wind Speed SE 19 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 04:20 PM MDT
Extended Forecast for

17 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers, mainly before 5pm. Some thunder is also possible.  High near 43. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Showers
    and Breezy

  • Tonight

    Tonight: A chance of snow before midnight, then a chance of snow after 3am.  Partly cloudy, with a low around 25. Southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 34 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Snow, mainly before 5pm. The snow could be heavy at times.  High near 37. Southwest wind 10 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Heavy Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 24. West northwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 39. Breezy.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 21. Breezy.  Chance of precipitation is 100%.

    Low: 21 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 26. Blustery.  Chance of precipitation is 90%.

    High: 26 °F

    Snow and
    Blustery

Detailed Forecast

This Afternoon
Snow showers, mainly before 5pm. Some thunder is also possible. High near 43. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before midnight, then a chance of snow after 3am. Partly cloudy, with a low around 25. Southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
Snow, mainly before 5pm. The snow could be heavy at times. High near 37. Southwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. West northwest wind 6 to 11 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 42. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Snow, mainly after noon. High near 39. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 21. Breezy. Chance of precipitation is 100%.
Thursday
Snow. High near 26. Blustery. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 13. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
12:31 pm MDT Apr 12, 2026
4pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
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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