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 W 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 01:05 PM MDT
Extended Forecast for

15 Miles ESE Challis ID

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm.  Mostly cloudy, with a high near 36. Windy, with a southwest wind around 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    and Windy

  • Tonight

    Tonight: Snow, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible.  Low around 15. Wind chill values as low as zero. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Breezy. Heavy
    Snow then
    Chance Snow

  • Thursday

    Thursday: Snow likely before noon, then snow showers likely between noon and 3pm, then snow likely after 3pm. Some thunder is also possible.  Mostly cloudy, with a high near 18. Wind chill values as low as -4. Blustery, with a west wind 17 to 26 mph becoming north northwest in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 36 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 36. Windy, with a southwest wind around 30 mph, with gusts as high as 44 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 15. Wind chill values as low as zero. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely before noon, then snow showers likely between noon and 3pm, then snow likely after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 18. Wind chill values as low as -4. Blustery, with a west wind 17 to 26 mph becoming north northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Mostly cloudy, with a low around 13. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 25. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 51. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Challis ID
 44.43°N 113.96°W (Elev. 8980 ft)
12:30 pm MDT Apr 15, 2026
1pm 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