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 48%
Wind Speed SSW 14 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Apr 07:05 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: Snow showers, mainly after noon.  High near 27. Breezy, with a southwest wind 18 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than one 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 10. Wind chill values as low as -7. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 13. Wind chill values as low as -10. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 7. Wind chill values as low as -13. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 37 mph.  New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of snow showers after noon.  Partly 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 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 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers, mainly after noon. High near 27. Breezy, with a southwest wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible. Low around 10. Wind chill values as low as -7. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 13. Wind chill values as low as -10. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -13. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers after noon. Partly 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 10.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 25.
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 28.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 42. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
5:31 am MDT Apr 15, 2026
7am 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