National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

NA

55°F

13°C

Humidity 32%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 30 Dec 06:50 AM PST
Extended Forecast for

6 Miles N Lake San Antonio CA

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

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Today

    High: 56 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain likely after 4am. Mostly cloudy, with a steady temperature around 50. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain. Patchy fog after 10am. Steady temperature around 49. East southeast wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain. Low around 50. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. High near 56. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely

  • Friday

    Friday: Rain likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 56. East southeast wind 6 to 9 mph.
Tonight
Rain likely after 4am. Mostly cloudy, with a steady temperature around 50. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Patchy fog after 10am. Steady temperature around 49. East southeast wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 50. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. High near 56. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly after 4am. Cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 55. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 49.
Saturday
Rain likely. Mostly cloudy, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 52.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Lake San Antonio CA
 35.95°N 120.99°W (Elev. 1962 ft)
Last Update:
12:27 am PST Dec 30, 2025
Forecast Valid:
7am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation