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.

Partly Cloudy

39°F

4°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Apr 05:05 AM MDT
Extended Forecast for

25 Miles N Mackay ID

  • Today

    Today: Snow showers likely, mainly after noon.  Partly sunny, with a high near 37. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Snow showers, mainly before 3am. Some thunder is also possible.  Low around 16. Breezy, with a southwest wind 14 to 23 mph becoming west northwest in the evening. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 20. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 20 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 12. Wind chill values as low as -4. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 33 mph.  New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    Showers and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of snow showers after noon.  Mostly sunny, with a high near 25. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.  Little or no snow accumulation expected.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely, mainly after noon. Partly sunny, with a high near 37. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 3am. Some thunder is also possible. Low around 16. Breezy, with a southwest wind 14 to 23 mph becoming west northwest in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 20. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 31 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 12. Wind chill values as low as -4. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers after noon. Mostly sunny, with a high near 25. North northwest wind 14 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 49.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 35.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
2:26 am MDT Apr 15, 2026
5am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database