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

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

Lat: 39.27611°NLon: 120.70806°WElev: 5282.0ft.

light snow,mist

32°F

0°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 32°F (0°C)
Visibility 1.00 mi
Last update 24 Dec 04:41 PM PST
Extended Forecast for

2 Miles SW Blue Canyon CA

Winter Storm Warning December 24, 04:53pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 24, 04:53pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • This Afternoon

    High: 43 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 8pm, then showers and possibly a thunderstorm between 8pm and 10pm, then rain after 10pm. Some of the storms could produce heavy rainfall.  Steady temperature around 44. South wind 9 to 11 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 44 °F

    Heavy Rain

  • Christmas Day

    Christmas Day: Rain. The rain could be heavy at times.  High near 43. South southwest wind around 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Rain. The rain could be heavy at times.  Low around 38. South wind 10 to 14 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 38 °F

    Heavy Rain

  • Friday

    Friday: Rain and snow, becoming all rain after 10am.  High near 41. South wind around 8 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain before 1am, then rain and snow likely.  Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a slight chance of rain after 10am.  Mostly sunny, with a high near 43. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Rain likely, mainly after 5pm. Mostly cloudy, with a steady temperature around 43. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely and possibly a thunderstorm before 8pm, then showers and possibly a thunderstorm between 8pm and 10pm, then rain after 10pm. Some of the storms could produce heavy rainfall. Steady temperature around 44. South wind 9 to 11 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Christmas Day
Rain. The rain could be heavy at times. High near 43. South southwest wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain. The rain could be heavy at times. Low around 38. South wind 10 to 14 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Rain and snow, becoming all rain after 10am. High near 41. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain before 1am, then rain and snow likely. Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a slight chance of rain after 10am. Mostly sunny, with a high near 43. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 51.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Blue Canyon CA
 39.23°N 120.73°W (Elev. 3865 ft)
1:21 pm PST Dec 24, 2025
4pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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