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.

Rain

46°F

8°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Last update 12 Apr 01:20 PM MDT
Extended Forecast for

16 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers, mainly between 3pm and 5pm. The snow could be heavy at times. Some thunder is also possible.  High near 27. Breezy, with a south wind 24 to 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: A chance of snow before midnight, then a chance of snow after 3am.  Mostly cloudy, with a low around 16. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow, mainly after 11am.  High near 23. Wind chill values as low as zero. Southwest wind 18 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 23 °F

    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. West wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 25. Breezy.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Breezy.
    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 12. Breezy.  Chance of precipitation is 100%.

    Low: 12 °F

    Heavy Snow
    and Breezy

  • Thursday

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

    High: 15 °F

    Snow and
    Breezy

Detailed Forecast

This Afternoon
Snow showers, mainly between 3pm and 5pm. The snow could be heavy at times. Some thunder is also possible. High near 27. Breezy, with a south wind 24 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A chance of snow before midnight, then a chance of snow after 3am. Mostly cloudy, with a low around 16. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
Snow, mainly after 11am. High near 23. Wind chill values as low as zero. Southwest wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Mostly cloudy, with a low around 17. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 28. West wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Breezy.
Wednesday
Snow, mainly after noon. High near 25. 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 12. Breezy. Chance of precipitation is 100%.
Thursday
Snow. High near 15. Breezy. 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. Mostly sunny, with a high near 16.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
12:31 pm MDT Apr 12, 2026
1pm MDT Apr 12, 2026-6pm MDT Apr 18, 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