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

44°F

7°C

Humidity 23%
Wind Speed NE 16 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 17 Apr 04:01 AM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

Freeze Warning until April 17, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 17, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Overnight

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. West northwest wind 5 to 10 mph becoming light north northwest after midnight.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 68. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

Overnight
Clear, with a low around 33. Northwest wind around 7 mph.
Friday
Sunny, with a high near 70. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 39. West northwest wind 5 to 10 mph becoming light north northwest after midnight.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 44. South southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 68. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Mostly cloudy, with a high near 57.
Monday Night
Rain likely. Mostly cloudy, with a low around 41.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
2:10 am PDT Apr 17, 2026
Forecast Valid:
4am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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