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

40°F

4°C

Humidity 44%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Apr 10:55 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 4am.  Mostly cloudy, with a low around 16. Southwest wind around 16 mph, with gusts as high as 23 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Snow, mainly after 11am.  High near 24. West southwest wind 16 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 17. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. West southwest wind 14 to 20 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 27. Breezy.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 14. Breezy.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 14 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow.  High near 15. Blustery.  Chance of precipitation is 80%.

    High: 15 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 16. Southwest wind around 16 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow, mainly after 11am. High near 24. West southwest wind 16 to 20 mph, with gusts as high as 31 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 17. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 30. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 21. West southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Wednesday
Snow, mainly after noon. High near 27. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 14. Breezy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow. High near 15. Blustery. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. Blustery.
Friday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 18.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Apr 12, 2026
11pm 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