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

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

39°F

4°C

Humidity 100%
Wind Speed SE 8 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 15 Feb 09:01 PM PST
Extended Forecast for

2 Miles SSE Lakeport CA

Winter Weather Advisory February 16, 10:00pm until February 18, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain. Low around 37. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain. High near 50. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 29. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain

  • Tuesday

    Tuesday: Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 43. West southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 43 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain and snow, mainly before 10pm. Low around 23. West wind 6 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow likely before 10am, then rain. High near 45. West wind 5 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain and snow. Low around 26. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain. Low around 37. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Washington's Birthday
Rain. High near 50. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 29. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 43. West southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and snow, mainly before 10pm. Low around 23. West wind 6 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain and snow likely before 10am, then rain. High near 45. West wind 5 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain before 1am, then rain and snow. Low around 26. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 1pm. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33.
Saturday
Rain likely. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lakeport CA
 39.01°N 122.91°W (Elev. 1391 ft)
Last Update:
1:10 pm PST Feb 15, 2026
Forecast Valid:
9pm PST Feb 15, 2026-6pm PST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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