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

46°F

8°C

Humidity 49%
Wind Speed S 9 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Apr 08:30 AM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Today

    Today: Snow showers, mainly after 9am.  High near 23. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 43 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 23 °F

    Chance Snow
    Showers and
    Breezy then
    Snow Showers
    and Windy

  • Tonight

    Tonight: Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible.  Low around 6. Wind chill values as low as -13. Windy, with a west wind 24 to 33 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 6 °F

    Heavy Snow
    and Windy

  • Thursday

    Thursday: Snow showers.  High near 8. Wind chill values as low as -17. Blustery, with a west northwest wind 24 to 28 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 8 °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. Wind chill values as low as -19. Windy, with a north northwest wind 26 to 31 mph, with gusts as high as 38 mph.  New snow accumulation of less than one inch possible.

    Low: 4 °F

    Chance Snow
    Showers and
    Windy

  • Friday

    Friday: A 30 percent chance of snow showers after noon.  Partly sunny, with a high near 13. Blustery, with a north northwest wind around 23 mph, with gusts as high as 30 mph.  Little or no snow accumulation expected.

    High: 13 °F

    Blustery.
    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers, mainly after 9am. High near 23. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible. Low around 6. Wind chill values as low as -13. Windy, with a west wind 24 to 33 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 8. Wind chill values as low as -17. Blustery, with a west northwest wind 24 to 28 mph, with gusts as high as 37 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 4. Wind chill values as low as -19. Windy, with a north northwest wind 26 to 31 mph, with gusts as high as 38 mph. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow showers after noon. Partly sunny, with a high near 13. Blustery, with a north northwest wind around 23 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 7. Blustery.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 23.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 37. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25. Breezy.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
5:31 am MDT Apr 15, 2026
8am 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