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.

Mostly 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 05:20 AM MDT
Extended Forecast for

19 Miles SE Challis ID

  • Today

    Today: Snow showers likely, mainly after 3pm.  Mostly cloudy, with a high near 30. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 30 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible.  Low around 11. Wind chill values as low as -5. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Heavy Snow
    and Breezy
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers.  High near 13. Wind chill values as low as -8. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 13 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 9. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 33 mph.

    Low: 9 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 19. North northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 19 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely, mainly after 3pm. Mostly cloudy, with a high near 30. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible. Low around 11. Wind chill values as low as -5. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 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 -8. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 33 mph.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 19. North northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 42.
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 44.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Challis ID
 44.32°N 113.94°W (Elev. 9528 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database