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

LYONS VALLEY (COWC1)

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

NA

20°C

68°F

Humidity 24%
Wind Speed S 3 MPH
Barometer NA
Dewpoint -1°C (30°F)
Visibility NA
Last update 18 Apr 03:01 PM PDT
Extended Forecast for

9 Miles N Lakeport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 6. South southeast wind 6 to 11 km/h becoming light and variable in the evening.

    Low: 6 °C

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 22. Light east southeast wind becoming south 11 to 16 km/h in the morning.

    High: 22 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 5. South wind 9 to 14 km/h becoming light south southeast. New precipitation amounts of less than 1 mm possible.

    Low: 5 °C

    Chance Rain

  • Monday

    Monday: Rain. High near 15. South southeast wind 5 to 10 km/h increasing to 13 to 18 km/h in the morning. Winds could gust as high as 29 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.

    High: 15 °C

    Rain

  • Monday Night

    Monday Night: Rain. Low around 4. South wind 11 to 16 km/h becoming light south southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.

    Low: 4 °C

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 14. Light south southeast wind becoming south 8 to 13 km/h in the morning. Chance of precipitation is 90%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 14 °C

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 3. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 3 °C

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 16.

    High: 16 °C

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1.

    Low: 1 °C

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 6. South southeast wind 6 to 11 km/h becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 22. Light east southeast wind becoming south 11 to 16 km/h in the morning.
Sunday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 5. South wind 9 to 14 km/h becoming light south southeast. New precipitation amounts of less than 1 mm possible.
Monday
Rain. High near 15. South southeast wind 5 to 10 km/h increasing to 13 to 18 km/h in the morning. Winds could gust as high as 29 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.
Monday Night
Rain. Low around 4. South wind 11 to 16 km/h becoming light south southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 14. Light south southeast wind becoming south 8 to 13 km/h in the morning. Chance of precipitation is 90%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 3. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Wednesday
A chance of rain. Partly sunny, with a high near 16.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Sunny, with a high near 19.
Thursday Night
Mostly clear, with a low around 3.
Friday
Sunny, with a high near 22.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 m)
Last Update:
2:10 pm PDT Apr 18, 2026
Forecast Valid:
3pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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