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

40°F

4°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 12 Apr 11:55 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 3am.  Partly cloudy, with a low around 21. Breezy, with a southwest wind around 23 mph, with gusts as high as 26 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow, mainly before 5pm. The snow could be heavy at times.  High near 26. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 21. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Breezy, with a west wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 32 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 33 mph.

    Low: 25 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 29. Windy.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Chance Snow
    and Breezy
    then Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 15. Breezy.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 15 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 19. Blustery.  Chance of precipitation is 90%.

    High: 19 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 9. Blustery.

    Low: 9 °F

    Chance Snow
    and Blustery

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 3am. Partly cloudy, with a low around 21. Breezy, with a southwest wind around 23 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow, mainly before 5pm. The snow could be heavy at times. High near 26. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 21. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 32. Breezy, with a west wind 14 to 22 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 25. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 33 mph.
Wednesday
Snow, mainly after noon. High near 29. Windy. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 15. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. High near 19. Blustery. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. Blustery.
Friday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 20.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 36. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
11:31 pm MDT Apr 12, 2026
12am MDT Apr 13, 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