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.

light snow,mist

32°F

0°C

Humidity 100%
Wind Speed ESE 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 32°F (0°C)
Visibility 2.50 mi
Last update 24 Dec 04:52 PM PST
Extended Forecast for

9 Miles E Blue Canyon CA

Winter Storm Warning December 24, 05:02pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 24, 05:02pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • This Afternoon

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow before 7pm, then rain likely between 7pm and 8pm, then rain and snow after 8pm. The rain could be heavy at times. Steady temperature around 38. South wind around 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 38 °F

    Rain/Snow

  • Christmas Day

    Christmas Day: Rain and snow, becoming all snow after 10am. The rain could be heavy at times. High near 38. South southwest wind 16 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 38 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 33. South southwest wind 17 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 33 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 35. South wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. Low around 31. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly sunny, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Rain and snow. Steady temperature around 37. South wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow before 7pm, then rain likely between 7pm and 8pm, then rain and snow after 8pm. The rain could be heavy at times. Steady temperature around 38. South wind around 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow, becoming all snow after 10am. The rain could be heavy at times. High near 38. South southwest wind 16 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 33. South southwest wind 17 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Friday
Snow. The snow could be heavy at times. High near 35. South wind 11 to 14 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. Low around 31. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 40 percent chance of snow. Mostly sunny, with a high near 36. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Blue Canyon CA
 39.24°N 120.55°W (Elev. 5597 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
5pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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