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

21 Miles N Mackay ID

  • Today

    Today: Snow showers likely after 9am, mixing with rain after 2pm.  Partly sunny, with a high near 44. Breezy, with a southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 9pm. Some thunder is also possible.  Low around 19. Breezy, with a southwest wind 17 to 22 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Rain/Snow and
    Breezy then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers.  Patchy blowing snow after noon. High near 27. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight.  Patchy blowing snow before 9pm. Mostly cloudy, with a low around 15. North northwest wind 13 to 21 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Friday

    Friday: A 40 percent chance of snow showers after noon.  Mostly sunny, with a high near 32. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    High: 32 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely after 9am, mixing with rain after 2pm. Partly sunny, with a high near 44. Breezy, with a southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
Rain and snow showers, becoming all snow after 9pm. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 17 to 22 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday
Snow showers. Patchy blowing snow after noon. High near 27. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow showers before midnight. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 15. North northwest wind 13 to 21 mph, with gusts as high as 31 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 32. North northwest wind 10 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A slight chance of rain and snow. Snow level rising to 8000 feet in the afternoon. Mostly sunny, with a high near 56. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and snow. Snow level 8200 feet lowering to 7700 feet after midnight . Partly cloudy, with a low around 36. Chance of precipitation is 20%.
Tuesday
A chance of rain and snow. Snow level 7500 feet. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 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