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

55°F

13°C

Humidity 32%
Wind Speed SW 11 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 02:00 PM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm.  Mostly cloudy, with a high near 28. Breezy, with a southwest wind 24 to 26 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 2am.  Low around 10. Wind chill values as low as -6. Breezy, with a west wind 20 to 28 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Breezy. Snow
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely, mainly between 8am and 4pm.  Mostly cloudy, with a high near 13. Wind chill values as low as -10. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 13 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Partly cloudy, with a low around 7. Wind chill values as low as -13. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 18. Northwest wind around 17 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    High: 18 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 28. Breezy, with a southwest wind 24 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 2am. Low around 10. Wind chill values as low as -6. Breezy, with a west wind 20 to 28 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, mainly between 8am and 4pm. Mostly cloudy, with a high near 13. Wind chill values as low as -10. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 7. Wind chill values as low as -13. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 18. Northwest wind around 17 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 32. Breezy.
Tuesday
A 20 percent chance of snow. Sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
1:36 pm MDT Apr 15, 2026
2pm 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