Station Name: RUSSIAN R NR HOPLAND CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 535 feet

Nearest Address:
10585 Old River Rd
Hopland, CA 95449
Mendocino County

GPS Coordinates: 39.02656314, -123.1305588

Nearby Water Temperatures

Heat Advisory issued June 9 at 4:48PM PDT until June 12 at 10:00PM PDT by NWS Eureka CA

Effective: Tue June 9, 2026, 4:48 PM
Expires: Wed June 10, 2026, 1:00 AM

* WHAT...Moderate to Major HeatRisk expected. * WHERE...Lake County, and Southeastern Interior Mendocino. * WHEN...From noon Thursday to 10 PM PDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Red Flag Warning issued June 9 at 1:12PM PDT until June 11 at 9:00AM PDT by NWS Eureka CA

Effective: Tue June 9, 2026, 1:12 PM
Expires: Tue June 9, 2026, 9:15 PM

* AFFECTED AREA...Fire weather zone 419.Fire weather zone 420. * WIND...North to northeast winds will increase overnight to15 to 30 mph with gusts to 40 mph on the ridges. * HUMIDITY...Recoveries on the ridges are only expected to be around 20 to 40 percent Thursday morning. * IMPACTS...any fires that develop will likely spread rapidly.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Red Flag Warning issued June 9 at 9:02PM PDT until June 11 at 9:00AM PDT by NWS Eureka CA

Effective: Tue June 9, 2026, 9:02 PM
Expires: Wed June 10, 2026, 5:15 AM

* AFFECTED AREA...Fire weather zone 419 and 420. * WIND...North to northeast winds will increase Wednesday night to 15 to 30 mph with gusts to 40 mph on the ridges through Thursday morning. * HUMIDITY...Recoveries on the ridges are only expected to be around 20 to 40 percent Thursday morning. * IMPACTS...Any fires that develop will likely spread rapidly.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Heat Advisory issued June 9 at 1:29PM PDT until June 11 at 11:00PM PDT by NWS San Francisco CA

Effective: Tue June 9, 2026, 1:29 PM
Expires: Wed June 10, 2026, 5:00 AM

* WHAT...High temperatures between 90 and 103 for interior valleys and higher elevations. High temperatures between 85 and 96 degrees for the Bay Shoreline. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, and The Santa Clara Valley and Eastern Hills. * WHEN...From noon to 11 PM PDT Thursday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.

Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Beach Hazards Statement issued June 9 at 11:09PM PDT until June 11 at 5:00AM PDT by NWS San Francisco CA

Effective: Tue June 9, 2026, 11:09 PM
Expires: Wed June 10, 2026, 3:00 PM

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period southerly swell. * WHERE...Pacific Coast beaches, especially south and southwest facing beaches, across Sonoma, Marin, San Mateo, and Santa Cruz Counties. * WHEN...Through 5 AM Thursday morning. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.