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

55°F

13°C

Humidity 32%
Wind Speed SW 17 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 05:35 PM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow.  Mostly cloudy, with a high near 26. Breezy, with a southwest wind around 26 mph, with gusts as high as 40 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 26 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 2am. The snow could be heavy at times.  Low around 8. Wind chill values as low as -8. Breezy, with a west wind 18 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Breezy. Heavy
    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow, mainly after 10am.  High near 11. Wind chill values as low as -12. Blustery, with a west wind 18 to 24 mph becoming north in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 11 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 5. Wind chill values as low as -16. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 37 mph.  New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 17. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.  Little or no snow accumulation expected.

    High: 17 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

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

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Saturday Night

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

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Mostly cloudy, with a high near 26. Breezy, with a southwest wind around 26 mph, with gusts as high as 40 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, mainly before 2am. The snow could be heavy at times. Low around 8. Wind chill values as low as -8. Breezy, with a west wind 18 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow, mainly after 10am. High near 11. Wind chill values as low as -12. Blustery, with a west wind 18 to 24 mph becoming north in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -16. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 37 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 17. Northwest wind 16 to 18 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 43. Breezy.
Monday Night
Partly cloudy, with a low around 30. Breezy.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Breezy. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Apr 15, 2026
5pm MDT Apr 15, 2026-6pm MDT Apr 22, 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