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
63°F
17°C
| Humidity | 46% |
| Wind Speed | WSW 2 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Last update | 23 May 11:01 PM PDT |
Extended Forecast for
8 Miles NNE Hopland CA
Tonight
Low: 56 °F
Mostly Cloudy
Sunday
High: 74 °F
Mostly Sunny
Sunday Night
Low: 54 °F
Mostly Clear
Memorial Day
High: 68 °F
Mostly Sunny
Monday Night
Low: 49 °F
Partly Cloudy
Tuesday
High: 59 °F
Sunny and
BreezyTuesday Night
Low: 47 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 65 °F
Slight Chance
RainWednesday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 56. Light south southeast wind.
Sunday
Mostly sunny, with a high near 74. Southeast wind 5 to 9 mph becoming south southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 54. South southwest wind 5 to 9 mph becoming light.
Memorial Day
Mostly sunny, with a high near 68. Light west wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 49. West northwest wind 13 to 15 mph, with gusts as high as 34 mph.
Tuesday
Sunny, with a high near 59. Breezy, with a west northwest wind around 18 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly clear, with a low around 47. Breezy.
Wednesday
A slight chance of rain after 11am. Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 69.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles NNE Hopland CA
39.07°N 123.07°W (Elev. 2654 ft)
39.07°N 123.07°W (Elev. 2654 ft)
2:44 pm PDT May 23, 2026
11pm PDT May 23, 2026-6pm PDT May 30, 2026
Additional Resources
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Hourly Weather Forecast
