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 37%
Wind Speed W 17 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 03:20 PM MDT
Extended Forecast for

21 Miles N Mackay ID

  • This Afternoon

    This Afternoon: A chance of rain and snow.  Snow level 7500 feet. Partly sunny, with a high near 43. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Rain showers and snow, becoming all snow after 11pm. Some thunder is also possible.  Low around 19. Breezy, with a southwest wind 17 to 22 mph becoming west 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 Likely

  • Thursday

    Thursday: Snow, mainly after 10am.  Patchy blowing snow after noon. High near 26. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 26 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Patchy blowing snow before 9pm. Partly cloudy, with a low around 15. Northwest wind 11 to 20 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 32. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    High: 32 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

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

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain and snow. Snow level 7500 feet. Partly sunny, with a high near 43. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Rain showers and snow, becoming all snow after 11pm. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 17 to 22 mph becoming west 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, mainly after 10am. Patchy blowing snow after noon. High near 26. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
A 30 percent chance of snow before midnight. Patchy blowing snow before 9pm. Partly cloudy, with a low around 15. Northwest wind 11 to 20 mph, with gusts as high as 30 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 32. Northwest wind 9 to 13 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Snow level 8100 feet. Mostly sunny, with a high near 58. Breezy.
Tuesday Night
A chance of rain and snow. Snow level 8400 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Snow level 7300 feet. Partly sunny, with a high near 49. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
1:36 pm MDT Apr 15, 2026
3pm MDT Apr 15, 2026-6pm MDT Apr 22, 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