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 99%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 18 Feb 03:01 PM PST
Extended Forecast for

2 Miles SSE Lakeport CA

Winter Storm Warning February 18, 03:30pm until February 19, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 03:30pm until February 19, 06:00am

    NOW until 6:00am Thu

    Winter Storm Warning

  • This Afternoon

    High: 44 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and snow before 10pm, then rain between 10pm and 4am, then rain and snow after 4am. Patchy fog between 10pm and 1am. Low around 28. South wind around 6 mph becoming east after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: Rain and snow before 1pm, then a chance of rain. High near 44. Breezy, with a northwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. West northwest wind 5 to 10 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 30. East southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 47. Breezy. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of rain before 4pm. Partly sunny, with a high near 44. West wind around 9 mph.
Tonight
A chance of rain and snow before 10pm, then rain between 10pm and 4am, then rain and snow after 4am. Patchy fog between 10pm and 1am. Low around 28. South wind around 6 mph becoming east after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow before 1pm, then a chance of rain. High near 44. Breezy, with a northwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 22. West northwest wind 5 to 10 mph.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 30. East southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 47. Breezy. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Cloudy, with a low around 43. Breezy.
Sunday
Rain. Cloudy, with a high near 52. Breezy.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 44. Breezy.
Monday
Rain. Cloudy, with a high near 53.
Monday Night
Rain. Cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

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 18, 2026
Forecast Valid:
3pm PST Feb 18, 2026-6pm PST Feb 25, 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