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.

Mostly Cloudy

45°F

7°C

Humidity 45%
Wind Speed W 5 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Apr 01:20 AM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Southwest wind around 15 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 29. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Breezy.
    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Some thunder is also possible.  Low around 11. Wind chill values as low as -6. Breezy, with a southwest wind 18 to 28 mph becoming northwest after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 11 °F

    Snow Showers
    and Breezy
    then Snow
    Likely and
    Blustery

  • Thursday

    Thursday: Snow.  High near 13. Wind chill values as low as -7. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Blustery.
    Snow Likely
    then Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 8. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 8 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 19. Little or no snow accumulation expected.

    High: 19 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Southwest wind around 15 mph.
Wednesday
Snow, mainly after noon. High near 29. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly before 1am. Some thunder is also possible. Low around 11. Wind chill values as low as -6. Breezy, with a southwest wind 18 to 28 mph becoming northwest after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 13. Wind chill values as low as -7. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 19. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 27. Breezy.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 41. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 29. Breezy.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 43. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
12:31 am MDT Apr 15, 2026
1am MDT Apr 15, 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