Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

HAWKEYE (HWKC1)

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

NA

51°F

11°C

Humidity 38%
Wind Speed N 8 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 30 Dec 04:56 AM PST
Extended Forecast for

Mercuryville CA

Cold Weather Advisory until December 30, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until December 30, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. East wind 6 to 8 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a steady temperature around 49. East wind around 8 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 10am.  Cloudy, with a high near 54. East wind 8 to 11 mph, with gusts as high as 18 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 48. East southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  Patchy fog between 4pm and 5pm. High near 53. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain before 4am, then showers and possibly a thunderstorm after 4am.  Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then rain after 10am.  Cloudy, with a high near 55.

    High: 55 °F

    Showers

Detailed Forecast

Overnight
Clear, with a steady temperature around 48. East northeast wind around 9 mph.
Tuesday
Increasing clouds, with a high near 58. East wind 6 to 8 mph.
Tuesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 49. East wind around 8 mph.
Wednesday
A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 54. East wind 8 to 11 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 48. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. Patchy fog between 4pm and 5pm. High near 53. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 4am, then showers and possibly a thunderstorm after 4am. Low around 51. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 10am, then rain after 10am. Cloudy, with a high near 55.
Friday Night
Rain. Cloudy, with a low around 46.
Saturday
Rain. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Mostly cloudy, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mercuryville CA
 38.77°N 122.82°W (Elev. 2198 ft)
12:27 am PST Dec 30, 2025
5am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database