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
43°F
6°C
| Humidity | 94% |
| Wind Speed | W 18 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Wind Chill | 35°F (2°C) |
| Last update | 26 May 08:01 PM PDT |
Extended Forecast for
4 Miles N Hopland CA
Tonight
Low: 46 °F
Partly Cloudy
Wednesday
High: 73 °F
Slight Chance
ShowersWednesday Night
Low: 50 °F
Chance
ShowersThursday
High: 73 °F
Chance
ShowersThursday Night
Low: 50 °F
Slight Chance
Showers then
Partly CloudyFriday
High: 76 °F
Mostly Sunny
Friday Night
Low: 49 °F
Mostly Clear
Saturday
High: 75 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 46. North northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 73. Northwest wind 6 to 10 mph.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50. North northwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 50. West wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 86.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles N Hopland CA
39.04°N 123.12°W (Elev. 597 ft)
39.04°N 123.12°W (Elev. 597 ft)
2:10 pm PDT May 26, 2026
8pm PDT May 26, 2026-6pm PDT Jun 2, 2026
Additional Resources
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