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

52°F

11°C

Humidity 34%
Wind Speed W 13 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Apr 07:05 PM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Tonight

    Tonight: A chance of snow before midnight, then a chance of snow after 3am.  Partly cloudy, with a low around 27. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: Snow, mainly before 5pm.  High near 39. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Light west northwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 41. Breezy.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 22. Breezy.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 28. Blustery.  Chance of precipitation is 90%.

    High: 28 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
A chance of snow before midnight, then a chance of snow after 3am. Partly cloudy, with a low around 27. South southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow, mainly before 5pm. High near 39. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 44. Light west northwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 30. West southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Wednesday
Snow, mainly after noon. High near 41. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 22. Breezy. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 28. Blustery. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Blustery.
Friday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
5:31 pm MDT Apr 12, 2026
7pm 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