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

HAWKEYE (HWKC1)

Lat: 38.73509°NLon: 122.83706°WElev: 2024.0ft.

NA

52°F

11°C

Humidity 100%
Wind Speed S 38 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 24 Dec 03:56 AM PST
Extended Forecast for

Mercuryville CA

Flood Watch December 24, 05:02am until December 26, 10:00pm
Wind Advisory December 24, 05:02am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 24, 05:02am until December 26, 10:00pm
    Wind Advisory December 24, 05:02am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 46 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Mostly cloudy, with a high near 51. Southwest wind 11 to 16 mph becoming southeast in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers
    Likely then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 45. Windy, with a south southeast wind 22 to 32 mph, with gusts as high as 60 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 45 °F

    Heavy Rain
    and Windy

  • Christmas Day

    Christmas Day: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall.  High near 48. South wind 16 to 21 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 48 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers. The rain could be heavy at times.  Low around 46. South wind around 16 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Heavy Rain

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am.  High near 49. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 49 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am.  Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 10am.  Mostly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 46. Breezy, with a south southwest wind around 29 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 51. Southwest wind 11 to 16 mph becoming southeast in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 45. Windy, with a south southeast wind 22 to 32 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 48. South wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers. The rain could be heavy at times. Low around 46. South wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Showers, with thunderstorms also possible after 10am. High near 49. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Saturday
A slight chance of showers before 10am. Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mercuryville CA
 38.77°N 122.82°W (Elev. 2198 ft)
4:29 am PST Dec 24, 2025
5am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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