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

47°F

8°C

Humidity 33%
Wind Speed W 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 14 Apr 09:55 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. West wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers.  High near 26. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Breezy.
    Chance Snow
    Showers 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 -9. Breezy, with a southwest wind 21 to 26 mph becoming west northwest after midnight. Winds could gust as high as 41 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 14. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 14 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 4. Blustery, with a north northwest wind 23 to 26 mph, with gusts as high as 39 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 4 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of snow showers after noon.  Partly sunny, with a high near 19. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. West wind 14 to 16 mph, with gusts as high as 23 mph.
Wednesday
Snow showers. High near 26. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. 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 -9. Breezy, with a southwest wind 21 to 26 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow showers. High near 14. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 4. Blustery, with a north northwest wind 23 to 26 mph, with gusts as high as 39 mph. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 19. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 17.
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 34. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Apr 14, 2026
10pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database