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

32°F

0°C

Humidity 100%
Wind Speed WSW 19 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 17 Feb 03:01 AM PST
Extended Forecast for

9 Miles N Lakeport CA

Winter Storm Warning February 17, 03:36am until February 18, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 17, 03:36am until February 18, 04:00pm

    NOW until 4:00pm Wed

    Winter Storm Warning

  • Overnight

    Low: 38 °F

    Showers

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm, mainly after 10am. High near 44. West southwest wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 44 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow showers before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. West northwest wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then rain. High near 46. West wind 3 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 34. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 45. West northwest wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow before 10am, then a chance of rain. Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Overnight
Rain before 4am, then showers and possibly a thunderstorm after 4am. Steady temperature around 38. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm, mainly after 10am. High near 44. West southwest wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, possibly mixed with snow showers before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. West northwest wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow before 10am, then rain. High near 46. West wind 3 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. Low around 34. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 4pm. High near 45. West northwest wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain and snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Friday
A slight chance of 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 28.
Saturday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 50.
Saturday Night
Rain. Cloudy, with a low around 34.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain. Cloudy, with a low around 38.
Monday
Rain. Cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
Last Update:
1:10 am PST Feb 17, 2026
Forecast Valid:
3am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation