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

GREEN SPRING (GNSC1)

Lat: 37.83418°NLon: 120.50311°WElev: 1108.0ft.

NA

46°F

8°C

Humidity 100%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 18 Jan 10:03 PM PST
Extended Forecast for

19 Miles SW Groveland CA

Dense Fog Advisory until January 19, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 19, 12:00pm

    NOW until 12:00pm Mon

    Dense Fog Advisory

  • Tonight

    Low: 46 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Widespread haze. Patchy dense fog between 1pm and 2pm.  Otherwise, mostly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Dense
    Fog

  • Monday Night

    Monday Night: Patchy fog before 4am.  Otherwise, partly cloudy, with a low around 43. Light east northeast wind.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 3am and 4am.  Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Widespread haze. Patchy dense fog. Otherwise, mostly cloudy, with a steady temperature around 46. Calm wind.
M.L.King Day
Widespread haze. Patchy dense fog between 1pm and 2pm. Otherwise, mostly sunny, with a high near 58. Light and variable wind.
Monday Night
Patchy fog before 4am. Otherwise, partly cloudy, with a low around 43. Light east northeast wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 62.
Wednesday Night
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 45.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 61.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 59.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SW Groveland CA
 37.67°N 120.46°W (Elev. 279 ft)
1:21 pm PST Jan 18, 2026
10pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database