Check Water Temperatures Before Your River Visit
Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >
Current conditions at
LYONS VALLEY (COWC1)
Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.NA
73°F
23°C
| Humidity | 29% |
| Wind Speed | W 12 MPH |
| Barometer | NA |
| Dewpoint | 39°F (4°C) |
| Visibility | NA |
| Last update | 21 May 07:01 PM PDT |
Extended Forecast for
9 Miles N Lakeport CA
Tonight
Low: 55 °F
Clear
Friday
High: 91 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 84 °F
Sunny
Saturday Night
Low: 48 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 46 °F
Mostly Clear
Memorial Day
High: 75 °F
Sunny
Monday Night
Low: 43 °F
Partly Cloudy
and Breezy
Detailed Forecast
Tonight
Clear, with a low around 55. West northwest wind 5 to 9 mph becoming light north northwest in the evening.
Friday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 52. West wind 5 to 9 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48. South southwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46.
Memorial Day
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 43. Breezy.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles N Lakeport CA
39.18°N 122.96°W (Elev. 1391 ft)
39.18°N 122.96°W (Elev. 1391 ft)
2:10 pm PDT May 21, 2026
7pm PDT May 21, 2026-6pm PDT May 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
