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.

Overcast

45°F

7°C

Humidity 52%
Wind Speed SSE 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Apr 06:35 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Snow showers, mainly after 9am.  High near 27. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 27 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Tonight

    Tonight: 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 -8. Breezy, with a southwest wind 18 to 26 mph becoming northwest after midnight. Winds could gust as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 12. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 5. Wind chill values as low as -15. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 38 mph.  New snow accumulation of around an inch possible.

    Low: 5 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of snow showers after noon.  Mostly sunny, with a high near 17. North northwest wind around 18 mph, with gusts as high as 29 mph.  Little or no snow accumulation expected.

    High: 17 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9.

    Low: 9 °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 17.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Breezy.

    High: 35 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Snow showers, mainly after 9am. High near 27. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 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 8. Wind chill values as low as -8. Breezy, with a southwest wind 18 to 26 mph becoming northwest after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. High near 12. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -15. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 38 mph. New snow accumulation of around an inch possible.
Friday
A 40 percent chance of snow showers after noon. Mostly sunny, with a high near 17. North northwest wind around 18 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 35. Breezy.
Sunday Night
Partly cloudy, with a low around 24. Breezy.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 40. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27. Breezy.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 42. Breezy.
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ABOUT THIS FORECAST

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