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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Hazardous Weather Conditions

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Overcast

41°F

5°C

Humidity 92%
Wind Speed E 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Nov 05:52 AM PST
Extended Forecast for

8 Miles W Donner Summit CA

Winter Weather Advisory until November 14, 10:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory until November 14, 10:00am

    NOW until 10:00am Fri

    Winter Weather Advisory

  • Today

    High: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers after 4am. Partly cloudy, with a low around 33. Calm wind becoming east around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 10am. Partly sunny, with a high near 50. East wind around 6 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 32. East northeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 32 °F

    Showers
    Likely

  • Sunday

    Sunday: Rain showers before 1pm, then rain and snow showers. High near 36. Southwest wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 36 °F

    Showers then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers, becoming all snow after 1am. Low around 29. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Rain/Snow

  • Monday

    Monday: Snow showers. High near 36. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow Showers

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Showers likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 10 percent chance of showers after 4am. Partly cloudy, with a low around 33. Calm wind becoming east around 5 mph after midnight.
Saturday
A 30 percent chance of showers, mainly after 10am. Partly sunny, with a high near 50. East wind around 6 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely. Cloudy, with a low around 32. East northeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain showers before 1pm, then rain and snow showers. High near 36. Southwest wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow showers, becoming all snow after 1am. Low around 29. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow showers. High near 36. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow showers, mainly before 10am. Partly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A slight chance of snow showers. Mostly sunny, with a high near 42.
Wednesday Night
Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a low around 27.
Thursday
Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Donner Summit CA
 39.33°N 120.52°W (Elev. 6388 ft)
Last Update:
1:21 am PST Nov 14, 2025
Forecast Valid:
6am PST Nov 14, 2025-6pm PST Nov 20, 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