
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
56°F
13°C
| Humidity | 90% |
| Wind Speed | ENE 4 MPH |
| Barometer | NA |
| Dewpoint | 53°F (12°C) |
| Visibility | NA |
| Last update | 19 Jun 08:01 AM PDT |
Extended Forecast for
2 Miles ESE Hopland CA
Juneteenth

High: 78 °F
Becoming
SunnyTonight
Low: 50 °F
Mostly Clear
then Patchy
FogSaturday
High: 83 °F
Patchy Fog
then SunnySaturday Night
Low: 52 °F
Clear then
Patchy FogSunday
High: 91 °F
Patchy Fog
then SunnySunday Night

Low: 54 °F
Mostly Clear
Monday

High: 93 °F
Sunny
Monday Night

Low: 55 °F
Mostly Clear
Tuesday

High: 93 °F
Sunny
Detailed Forecast
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 78. South wind 3 to 8 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. South wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52. West wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54. West wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 92.
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Hopland CA
38.95°N 123.1°W (Elev. 597 ft)
38.95°N 123.1°W (Elev. 597 ft)
8:29 am PDT Jun 19, 2026
8am PDT Jun 19, 2026-6pm PDT Jun 25, 2026


