National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Clear

49°F

9°C

Humidity 32%
Wind Speed SW 5 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Apr 08:55 PM MDT
Extended Forecast for

27 Miles ESE Challis ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West southwest wind 6 to 10 mph becoming south southeast after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers before 11am, then rain and snow showers likely between 11am and 1pm, then rain showers likely after 1pm. Mostly cloudy, with a high near 49. South southeast wind 7 to 12 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain showers before 9pm, then rain, possibly mixed with snow showers between 9pm and midnight, then snow showers after midnight. Low around 26. Southwest wind 9 to 18 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. Patchy blowing snow after 3pm. High near 32. Northwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 19. North northwest wind 9 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Friday

    Friday: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

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

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. West southwest wind 6 to 10 mph becoming south southeast after midnight.
Wednesday
A chance of snow showers before 11am, then rain and snow showers likely between 11am and 1pm, then rain showers likely after 1pm. Mostly cloudy, with a high near 49. South southeast wind 7 to 12 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before 9pm, then rain, possibly mixed with snow showers between 9pm and midnight, then snow showers after midnight. Low around 26. Southwest wind 9 to 18 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow showers. Patchy blowing snow after 3pm. High near 32. Northwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 19. North northwest wind 9 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles ESE Challis ID
 44.32°N 113.73°W (Elev. 6601 ft)
Last Update:
5:31 pm MDT Apr 14, 2026
Forecast Valid:
9pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation