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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Mostly Cloudy

36°F

2°C

Humidity 100%
Wind Speed NW 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 25 Dec 07:47 AM MST
Extended Forecast for

17 Miles ENE Sun Valley ID

Winter Storm Warning December 25, 08:38am until December 25, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 08:38am until December 25, 05:00pm

    NOW until 5:00pm Thu

    Winter Storm Warning

  • Christmas Day

    High: 20 °F

    Heavy Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Steady temperature around 19. Wind chill values as low as -3. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.

    Low: 19 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times.  Temperature falling to around 10 by 5pm. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 32 mph, with gusts as high as 43 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 18 °F

    Windy. Heavy
    Snow then
    Snow Likely

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 4. Wind chill values as low as -18. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 40 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Partly sunny and cold, with a high near 5. Windy, with a west wind 21 to 30 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 5 °F

    Snow Likely
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -9. Blustery.

    Low: -9 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 7.

    High: 7 °F

    Cold

  • Sunday Night

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

    Low: -1 °F

    Mostly Clear

Detailed Forecast

Christmas Day
Snow, mainly after 3pm. The snow could be heavy at times. Steady temperature around 20. South southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow. The snow could be heavy at times. Steady temperature around 19. Wind chill values as low as -3. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.
Friday
Snow. The snow could be heavy at times. Temperature falling to around 10 by 5pm. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 4. Wind chill values as low as -18. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 11am. Partly sunny and cold, with a high near 5. Windy, with a west wind 21 to 30 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around -9. Blustery.
Sunday
Mostly sunny and cold, with a high near 7.
Sunday Night
Mostly clear, with a low around -1.
Monday
Sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ENE Sun Valley ID
 43.79°N 114.02°W (Elev. 11014 ft)
4:31 am MST Dec 25, 2025
8am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database