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

46°F

8°C

Humidity 45%
Wind Speed S 12 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Apr 09:05 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Today

    Today: A chance of snow showers before noon, then rain and snow showers between noon and 4pm, then rain showers after 4pm.  High near 43. South southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 10pm. Some thunder is also possible.  Low around 21. South southwest wind 13 to 18 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers.  High near 26. North northwest wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 26 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight.  Patchy blowing snow before 8pm. Mostly cloudy, with a low around 17. North northwest wind 8 to 17 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 32. North northwest wind 6 to 10 mph.

    High: 32 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °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 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of snow showers before noon, then rain and snow showers between noon and 4pm, then rain showers after 4pm. High near 43. South southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow showers, becoming all snow after 10pm. Some thunder is also possible. Low around 21. South southwest wind 13 to 18 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. High near 26. North northwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Patchy blowing snow before 8pm. Mostly cloudy, with a low around 17. North northwest wind 8 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 32. North northwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 56.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
5:31 am MDT Apr 15, 2026
9am 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