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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

50°F

10°C

Humidity 100%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 03 Nov 11:01 PM PST
Extended Forecast for

Lakeport CA

Flood Watch November 5, 12:00am until November 5, 10:00am
Wind Advisory November 4, 07:00pm until November 5, 12:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • Tonight

    Tonight: Rain likely. Cloudy, with a low around 50. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 10am. Cloudy, with a high near 61. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 49. Windy, with a south wind 16 to 21 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 49 °F

    Showers and
    Windy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 57. Breezy, with a southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, mainly before 10am. Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Rain likely. Cloudy, with a low around 50. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before 10am. Cloudy, with a high near 61. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 49. Windy, with a south wind 16 to 21 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 57. Breezy, with a southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 47.
Friday
A chance of rain, mainly before 10am. Partly sunny, with a high near 62.
Friday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 68.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
1:20 pm PST Nov 3, 2025
Forecast Valid:
11pm PST Nov 3, 2025-6pm PST Nov 10, 2025
 
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