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 >

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

19 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: 35 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain and snow before noon, then rain between noon and 1pm, then rain and snow after 1pm. The rain could be heavy at times. Some thunder is also possible.  Snow level 8000 feet lowering to 7000 feet in the afternoon . Temperature falling to around 35 by 5pm. Wind chill values as low as 28. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers. Some thunder is also possible.  Snow level 6800 feet. Steady temperature around 36. Wind chill values as low as 26. South wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 36 °F

    Rain/Snow

  • Christmas Day

    Christmas Day: Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible.  High near 37. Wind chill values as low as 24. South wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 37 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible.  Low around 31. South southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 31 °F

    Heavy 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 34. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 34 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 25. East northeast wind around 5 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow.  Partly sunny, with a high near 35. 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 35. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain and snow before noon, then rain between noon and 1pm, then rain and snow after 1pm. The rain could be heavy at times. Some thunder is also possible. Snow level 8000 feet lowering to 7000 feet in the afternoon . Temperature falling to around 35 by 5pm. Wind chill values as low as 28. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow showers. Some thunder is also possible. Snow level 6800 feet. Steady temperature around 36. Wind chill values as low as 26. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Christmas Day
Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Wind chill values as low as 24. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 31. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 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 34. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25. East northeast 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. Northeast wind around 5 mph becoming calm in the morning.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 26. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 41. Northeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 30. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 46. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 36. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 50. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Squaw Valley CA
 36.91°N 118.98°W (Elev. 6627 ft)
12:57 am PST Dec 24, 2025
1am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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