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

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 >

Hazardous Weather Conditions

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Rain

38°F

3°C

Humidity 96%
Wind Speed S 18 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 24 Dec 10:52 PM PST
Extended Forecast for

Blue Canyon CA

Winter Storm Warning December 24, 11:05pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 24, 11:05pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Tonight

    Low: 37 °F

    Heavy Rain

  • Christmas Day

    Christmas Day: Rain and snow. The rain could be heavy at times. High near 37. South southwest wind around 21 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 32. South wind 16 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 32 °F

    Rain/Snow

  • Friday

    Friday: Snow. High near 36. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 4am. Low around 30. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 40. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Tonight
Rain. The rain could be heavy at times. Steady temperature around 37. South wind around 17 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Christmas Day
Rain and snow. The rain could be heavy at times. High near 37. South southwest wind around 21 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 32. South wind 16 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow. High near 36. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly before 4am. Low around 30. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 40. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 49.
Monday Night
Clear, with a low around 38.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Canyon CA
 39.28°N 120.71°W (Elev. 5164 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
11pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation