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

45°F

7°C

Humidity 48%
Wind Speed S 11 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Apr 06:55 AM MDT
Extended Forecast for

18 Miles ESE Challis ID

  • Today

    Today: Snow showers likely, mainly after 3pm.  Mostly cloudy, with a high near 35. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 35 °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 13. Wind chill values as low as -1. Breezy, with a west wind 17 to 25 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 18. Wind chill values as low as -4. Blustery, with a north northwest wind 17 to 24 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 18 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 12. Wind chill values as low as -6. Blustery, with a north northwest wind 15 to 23 mph, with gusts as high as 37 mph.

    Low: 12 °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 24. North northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 24 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Snow showers likely, mainly after 3pm. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers, mainly before 3am. The snow could be heavy at times. Some thunder is also possible. Low around 13. Wind chill values as low as -1. Breezy, with a west wind 17 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. High near 18. Wind chill values as low as -4. Blustery, with a north northwest wind 17 to 24 mph, with gusts as high as 39 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 12. Wind chill values as low as -6. Blustery, with a north northwest wind 15 to 23 mph, with gusts as high as 37 mph.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 24. North northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 44. Breezy.
Sunday Night
Mostly cloudy, with a low around 29. Breezy.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 48. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 31. Breezy.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ESE Challis ID
 44.36°N 113.92°W (Elev. 8957 ft)
5:31 am MDT Apr 15, 2026
7am 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