Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

55°F

13°C

Humidity 32%
Wind Speed SW 17 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 05:35 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow.  Partly sunny, with a high near 31. Windy, with a southwest wind around 33 mph, with gusts as high as 46 mph.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times. Some thunder is also possible.  Low around 10. Wind chill values as low as -8. Windy, with a west wind 25 to 34 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Windy. Heavy
    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow, mainly before 5pm.  High near 13. Wind chill values as low as -12. Windy, with a west wind 23 to 30 mph becoming north in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Partly cloudy, with a low around 9. Wind chill values as low as -13. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 39 mph.  New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow
    and Windy
    then Partly
    Cloudy and
    Blustery

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 19. Blustery, with a northwest wind around 22 mph, with gusts as high as 29 mph.  Little or no snow accumulation expected.

    High: 19 °F

    Mostly Sunny
    and Blustery
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Partly sunny, with a high near 31. Windy, with a southwest wind around 33 mph, with gusts as high as 46 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Some thunder is also possible. Low around 10. Wind chill values as low as -8. Windy, with a west wind 25 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow, mainly before 5pm. High near 13. Wind chill values as low as -12. Windy, with a west wind 23 to 30 mph becoming north in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 9. Wind chill values as low as -13. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 19. Blustery, with a northwest wind around 22 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 14. Blustery.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 45. Breezy.
Monday Night
Partly cloudy, with a low around 34. Breezy.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 45. Breezy. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
5:31 pm MDT Apr 15, 2026
5pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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