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 9 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 12:35 PM MDT
Extended Forecast for

22 Miles SE Challis ID

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm.  Mostly cloudy, with a high near 28. Breezy, with a southwest wind 26 to 28 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: 28 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times. Some thunder is also possible.  Low around 8. Wind chill values as low as -8. Windy, with a west wind 22 to 30 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow
    and Windy
    then Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Snow.  High near 11. Wind chill values as low as -13. Blustery, with a west wind 21 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 11 °F

    Snow 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 -13. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 32 mph.

    Low: 8 °F

    Blustery.
    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 17. Northwest wind around 18 mph, with gusts as high as 25 mph.

    High: 17 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

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

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29.

    High: 29 °F

    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 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 28. Breezy, with a southwest wind 26 to 28 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 1am. The snow could be heavy at times. Some thunder is also possible. Low around 8. Wind chill values as low as -8. Windy, with a west wind 22 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 11. Wind chill values as low as -13. Blustery, with a west wind 21 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%. 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 -13. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 32 mph.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 17. Northwest wind around 18 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 43. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles SE Challis ID
 44.28°N 113.9°W (Elev. 10587 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