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

MOUNT ELIZABETH (MOUC1)

Lat: 38.06293°NLon: 120.24725°WElev: 4942.0ft.

NA

39°F

4°C

Humidity 100%
Wind Speed S 31 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 25 Dec 10:02 PM PST
Extended Forecast for

Twain Harte CA

Flood Advisory December 25, 10:45pm until December 26, 06:00pm
Winter Storm Warning December 25, 10:45pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Advisory
Winter Storm Warning
  •  
    Flood Advisory December 25, 10:45pm until December 26, 06:00pm
    Winter Storm Warning December 25, 10:45pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 44. South wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Friday Night

    Friday Night: Rain before 4am, then a slight chance of rain and snow. Steady temperature around 38. East southeast wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 10am. Mostly sunny, with a high near 47. Light and variable wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Tonight
Rain and possibly a thunderstorm. Steady temperature around 42. South wind 13 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 44. South wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain before 4am, then a slight chance of rain and snow. Steady temperature around 38. East southeast wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow before 10am. Mostly sunny, with a high near 47. Light and variable wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 33. Light east northeast wind.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 61.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 45.
New Year's Day
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Twain Harte CA
 38.04°N 120.24°W (Elev. 3599 ft)
Last Update:
7:51 pm PST Dec 25, 2025
Forecast Valid:
10pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation