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

43°F

6°C

Humidity 52%
Wind Speed WSW 6 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Apr 02:35 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Southwest wind around 21 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 25. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Chance Snow
    Showers and
    Breezy then
    Snow Showers
    and Windy

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible.  Low around 8. Wind chill values as low as -11. Windy, with a west wind 22 to 32 mph, with gusts as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow
    and Windy

  • Thursday

    Thursday: Snow showers.  High near 10. Wind chill values as low as -14. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 10 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 6. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 38 mph.  New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    Showers and
    Windy

  • Friday

    Friday: A 30 percent chance of snow showers after noon.  Partly sunny, with a high near 15. Blustery.  Little or no snow accumulation expected.

    High: 15 °F

    Blustery.
    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Southwest wind around 21 mph, with gusts as high as 25 mph.
Wednesday
Snow showers, mainly after noon. High near 25. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible. Low around 8. Wind chill values as low as -11. Windy, with a west wind 22 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 10. Wind chill values as low as -14. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow showers after noon. Partly sunny, with a high near 15. Blustery. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10. Blustery.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 25.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 39. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 40. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
2:26 am MDT Apr 15, 2026
2am 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