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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

EW8163 Hume (E8163)

Lat: 36.78783°NLon: 118.91317°WElev: 5239.0ft.

NA

41°F

5°C

Humidity 93%
Wind Speed SE 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 24 Dec 01:10 AM PST
Extended Forecast for

21 Miles NE Squaw Valley CA

Flood Watch December 24, 01:18am until December 26, 04:00pm
Winter Storm Warning December 24, 01:18am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 01:18am until December 26, 04:00pm
    Winter Storm Warning December 24, 01:18am until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 38 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain before 7am, then showers and possibly a thunderstorm between 7am and 10am, then rain after 10am. Some of the storms could produce heavy rainfall. Temperature falling to around 38 by 4pm. Wind chill values as low as 31. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 45 °F⇓

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain showers before 3am, then rain and snow showers. Some thunder is also possible. Snow level 6800 feet. Steady temperature around 38. Wind chill values as low as 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 38 °F

    Showers then
    Rain/Snow

  • Christmas Day

    Christmas Day: Rain and snow. Some thunder is also possible. Snow level 6500 feet. High near 40. Wind chill values as low as 26. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow showers. The snow could be heavy at times. Some thunder is also possible. Snow level 6300 feet. Low around 33. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Rain/Snow

  • Friday

    Friday: Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 36. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    High: 36 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. East wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 35. East northeast wind around 5 mph becoming calm in the morning.

    High: 35 °F

    Chance Snow

Detailed Forecast

Overnight
Rain. The rain could be heavy at times. Low around 38. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain before 7am, then showers and possibly a thunderstorm between 7am and 10am, then rain after 10am. Some of the storms could produce heavy rainfall. Temperature falling to around 38 by 4pm. Wind chill values as low as 31. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday Night
Rain showers before 3am, then rain and snow showers. Some thunder is also possible. Snow level 6800 feet. Steady temperature around 38. Wind chill values as low as 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow. Some thunder is also possible. Snow level 6500 feet. High near 40. Wind chill values as low as 26. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow showers. The snow could be heavy at times. Some thunder is also possible. Snow level 6300 feet. Low around 33. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 36. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. East wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 35. East northeast wind around 5 mph becoming calm in the morning.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 30. Northeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 41. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 34. Northeast wind around 10 mph.
Monday
Sunny, with a high near 46. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 41. Northeast wind around 10 mph.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 50. Northeast wind around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NE Squaw Valley CA
 36.88°N 118.91°W (Elev. 5965 ft)
Last Update:
12:57 am PST Dec 24, 2025
Forecast Valid:
1am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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