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

GRASSHOPPER (GRSC1)

Lat: 40.78169°NLon: 120.78437°WElev: 6158.0ft.

NA

39°F

4°C

Humidity 95%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 24 Dec 01:47 AM PST
Extended Forecast for

10 Miles NNE Eagle Lake CA

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

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 37 °F

    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: Rain and snow, mainly before 1pm. Snow level 6700 feet lowering to 5700 feet in the afternoon . High near 44. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, mainly after 7pm. Snow level 5800 feet. Low around 33. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Rain and snow, becoming all snow after 10am. High near 39. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Breezy.
    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 28. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 28 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow, mainly before 4pm. High near 37. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 22. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Rain before 4am, then rain and snow. Snow level 7400 feet. Low around 37. Windy, with a south wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain and snow, mainly before 1pm. Snow level 6700 feet lowering to 5700 feet in the afternoon . High near 44. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, mainly after 7pm. Snow level 5800 feet. Low around 33. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow, becoming all snow after 10am. High near 39. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 28. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow, mainly before 4pm. High near 37. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 22. Little or no snow accumulation expected.
Saturday
A slight chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Eagle Lake CA
 40.79°N 120.68°W (Elev. 5299 ft)
Last Update:
1:15 am PST Dec 24, 2025
Forecast Valid:
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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