Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Jolon Hills (PG727)

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

NA

52°F

11°C

Humidity 64%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Jan 02:50 AM PST
Extended Forecast for

4 Miles SE Lake San Antonio CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
M.L.King Day
Sunny, with a high near 73. Light and variable wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Partly cloudy, with a low around 40. Calm wind.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 42.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 40.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 67.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lake San Antonio CA
 35.82°N 120.96°W (Elev. 1083 ft)
12:26 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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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