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
72°F
22°C
| Humidity | 26% |
| Wind Speed | WNW 10 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Last update | 11 Jul 09:01 PM PDT |
Extended Forecast for
4 Miles ESE Hopland CA
Tonight
Low: 61 °F
Cloudy
Sunday
High: 93 °F
Decreasing
CloudsSunday Night
Low: 64 °F
Mostly Cloudy
Monday
High: 89 °F
Isolated
Showers then
Isolated
T-stormsMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 90 °F
Isolated
T-storms then
SunnyTuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 55 °F
Mostly Clear
Detailed Forecast
Tonight
Cloudy, with a low around 61. Northwest wind around 6 mph becoming light and variable in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 64. West northwest wind 6 to 11 mph becoming light and variable in the evening.
Monday
Isolated showers before 11am, then isolated showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 64. West southwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Isolated showers and thunderstorms before 11am. Sunny, with a high near 90. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 84.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Hopland CA
38.94°N 123.04°W (Elev. 1237 ft)
38.94°N 123.04°W (Elev. 1237 ft)
2:10 pm PDT Jul 11, 2026
9pm PDT Jul 11, 2026-6pm PDT Jul 18, 2026
Additional Resources
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