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 >
Hazardous Weather Conditions
Current conditions at
LYONS VALLEY (COWC1)
Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.NA
91°F
33°C
| Humidity | 23% |
| Wind Speed | W 11 MPH |
| Barometer | NA |
| Dewpoint | 48°F (9°C) |
| Visibility | NA |
| Heat Index | 88°F (31°C) |
| Last update | 13 Jun 03:01 PM PDT |
Extended Forecast for
5 Miles W Lakeport CA
Heat Advisory June 13, 03:42pm until June 13, 10:00pm
NOW until 10:00pm Sat
Heat Advisory
Tonight
Low: 72 °F
Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 90 °F
Sunny
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny
Detailed Forecast
Tonight
Clear, with a low around 72. West wind 5 to 9 mph becoming calm after midnight.
Sunday
Sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72. West wind 5 to 10 mph becoming light west northwest after midnight.
Tuesday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Juneteenth
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 74.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles W Lakeport CA
39.03°N 123.03°W (Elev. 2398 ft)
39.03°N 123.03°W (Elev. 2398 ft)
2:50 pm PDT Jun 13, 2026
3pm PDT Jun 13, 2026-6pm PDT Jun 20, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
