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

52°F

11°C

Humidity 37%
Wind Speed S 8 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 12:20 PM MDT
Extended Forecast for

19 Miles SE Challis ID

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm.  Mostly cloudy, with a high near 30. Breezy, with a southwest wind 23 to 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible.  Low around 9. 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 2 to 4 inches possible.

    Low: 9 °F

    Breezy. Heavy
    Snow then
    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 12. Wind chill values as low as -10. Blustery, with a north northwest wind 17 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 8. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    Low: 8 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 19. Northwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 30. Breezy, with a southwest wind 23 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 9. 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 2 to 4 inches possible.
Thursday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 12. Wind chill values as low as -10. Blustery, with a north northwest wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 19. Northwest wind 14 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 45. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Challis ID
 44.32°N 113.94°W (Elev. 9528 ft)
12:30 pm MDT Apr 15, 2026
12pm 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