Heavy Precipitation for Pacific Northwest; Heavy Snow Diminishing across New England

Multiple rounds of heavy to excessive rainfall, mountain snow and gusty winds will impact the Northwest U.S. into the central and northern Rockies this week. Urban, small stream, and moderate to isolated major river flooding are also expected across the Cascades through mid-week. Meanwhile, the heavy snow threat across the Northeast will finally diminish this evening. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Fog

52°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 04 Dec 10:05 PM PST
Extended Forecast for

Saint Helena CA

Dense Fog Advisory until December 5, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 5, 11:00am

    NOW until
    11:00am Tue

    Dense Fog Advisory

  • Tonight

    Tonight: Areas of dense fog.  Otherwise, partly cloudy, with a low around 47. Calm wind.

    Areas Dense
    Fog

    Low: 47 °F

  • Tuesday

    Tuesday: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 69. Calm wind becoming east southeast around 5 mph in the afternoon.

    Areas Dense
    Fog then
    Mostly Sunny

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: Rain likely after 4am.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 46. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Patchy Fog
    then Rain
    Likely and
    Areas Fog

    Low: 46 °F

  • Wednesday

    Wednesday: Rain, mainly before 4pm.  High near 59. Light and variable wind becoming south southwest 5 to 10 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 59 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 42. West wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Slight
    Chance Rain

    Low: 42 °F

  • Thursday

    Thursday: A 50 percent chance of rain, mainly before 4pm.  Partly sunny, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 58 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36.

    Slight Chance
    Rain then
    Patchy Frost

    Low: 36 °F

  • Friday

    Friday: Patchy frost before 8am.  Otherwise, sunny, with a high near 59.

    Patchy Frost
    then Sunny

    High: 59 °F

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, partly cloudy, with a low around 47. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Rain likely after 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm. High near 59. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42. West wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 36.
Saturday
A chance of rain after 4pm. Mostly sunny, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 64.
Click Map For Forecast
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
8:58 pm PST Dec 4, 2023
10pm PST Dec 4, 2023-6pm PST Dec 11, 2023
 
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Additional Resources

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