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

45°F

7°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 14 Apr 10:55 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. West southwest wind around 17 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers.  High near 27. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Breezy. Snow
    Showers
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 9. Wind chill values as low as -8. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 9 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 13. Wind chill values as low as -11. Blustery, with a west wind 18 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 4. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 37 mph.  New snow accumulation of around an inch possible.

    Low: 4 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Snow showers likely after noon.  Partly sunny, with a high near 18. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Mostly Sunny
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. West southwest wind around 17 mph, with gusts as high as 23 mph.
Wednesday
Snow showers. High near 27. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 9. Wind chill values as low as -8. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow showers. High near 13. Wind chill values as low as -11. Blustery, with a west wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 4. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 37 mph. New snow accumulation of around an inch possible.
Friday
Snow showers likely after noon. Partly sunny, with a high near 18. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 34. Breezy.
Sunday Night
Partly cloudy, with a low around 25. Breezy.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 38. Breezy.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. Breezy.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
5:31 pm MDT Apr 14, 2026
11pm MDT Apr 14, 2026-6pm MDT Apr 21, 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