Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Rain

36°F

2°C

Humidity 85%
Wind Speed S 6 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 26 Dec 01:55 AM MST
Extended Forecast for

23 Miles SSW Leadore ID

  • Overnight

    Overnight: A 50 percent chance of snow, mainly after 3am.  Mostly cloudy, with a steady temperature around 23. Breezy, with a south wind 22 to 24 mph, with gusts as high as 31 mph.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: Snow, mainly before noon.  Temperature falling to around 16 by 5pm. Wind chill values as low as zero. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Breezy. Snow
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 9. Wind chill values as low as -9. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 9 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 12. Wind chill values as low as -12. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 12 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -3. Northwest wind 13 to 16 mph, with gusts as high as 21 mph.

    Low: -3 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly after 3am. Mostly cloudy, with a steady temperature around 23. Breezy, with a south wind 22 to 24 mph, with gusts as high as 31 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly before noon. Temperature falling to around 16 by 5pm. Wind chill values as low as zero. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 9. Wind chill values as low as -9. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 12. Wind chill values as low as -12. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Partly cloudy, with a low around -3. Northwest wind 13 to 16 mph, with gusts as high as 21 mph.
Sunday
Sunny and cold, with a high near 8.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Mostly cloudy, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles SSW Leadore ID
 44.37°N 113.47°W (Elev. 9534 ft)
10:31 pm MST Dec 25, 2025
2am MST Dec 26, 2025-6pm MST Jan 1, 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