The river, which has already surged above flood stage, is predicted to crest at 46 feet around 10 p.m. Wednesday.
More information is available at www.socoemergency.org or at 707-565-3856. The website includes a map of areas that are expected to flood.
Residents are asked not to call the sheriff's office's dispatch center unless it is an emergency.
Chris Jewett
This little pup is getting around by kayak u2014 just like everyone else in Guerneville.
POLICÍA DE BROWNSVILLE
Kayak and canoe are the preferred modes in downtown Guerneville Thursday.
Waters are receding in some parts of Guerneville, but they are still over 6 feet in some residential areas.
The nearby town of Monte Rio is also flooded.
Chris Jewett/NBC Bay Area
Drone shot near the Farmhouse Inn just East of Hacienda in Guerneville along the flooded Russian River.
Chris Jewett/NBC Bay Area
Drone shot near the Farmhouse Inn just East of Hacienda in Guerneville along the flooded Russian River.
Chris Jewett/NBC Bay Area
Drone shot near the Farmhouse Inn just East of Hacienda in Guerneville along the flooded Russian River.
Chris Jewett/NBC Bay Area
Drone shot near the Farmhouse Inn just East of Hacienda in Guerneville along the flooded Russian River.
Chris Jewett/NBC Bay Area
Drivers turned back at Occidental Road, west of Santa Rosa in Sonoma County. The Russian River has crested its banks and is swallowing vineyards and roads here.(Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flooding from the Russian River near Santa Rosa in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Roads are closed near Santa Rosa due to flooding after the Russian River crested. (Feb. 27, 2019)
Berlin Bad Boy of Beauty
Flooding in Guerneville. (Feb. 27, 2019)
Berlin Bad Boy of Beauty
Flooding in Guerneville. (Feb. 27, 2019)
Both directions of state Highway 37 in unincorporated Marin County were closed due to roadway flooding, according to the California Highway Patrol.
Telemundo 48
Both directions of state Highway 37 in unincorporated Marin County were closed due to roadway flooding, according to the California Highway Patrol.
NBC Bay Area
A truck is stuck along a flooded Highway 37 in the North Bay. (Feb. 27, 2019)
Sonoma County Sheriff's Office
Sonoma County Sheriff's Office posted this photo of the rising water on Tuesday.
Sonoma County Sheriff's Office
Photo from Monte Rio Bridge shows the Russian River.
Sonoma County Sheriff's Office
EMPTY_CAPTION"Russian River keeps rising," said the Sonoma County Sheriff's Office.
Olema Creek in the North Bay on Monday (left) compared to the Tuesday (right).
Berlin Bad Boy of Beauty
Flooding in Guerneville. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Vineyards near Santa Rosa are flooded after the Russian River in Sonoma County crested. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Chris Jewett/NBC Bay Area
Flood waters from the Russian River inundate Guerneville in Sonoma County. (Feb. 27, 2019)
Water floods the neighborhood in Rio Nido, just north of the Russian River.
Water floods the neighborhood in Rio Nido, just north of the Russian River.
Water floods the neighborhood in Rio Nido, just north of the Russian River.
Water floods the neighborhood in Rio Nido, just north of the Russian River.
Flooding in downtown Sebastopol on Wednesday.
A man and a dog were rescued in Yountville near the Napa River on Wednesday.
Beth/Eric Wolfe
EMPTY_CAPTION"It has never gotten this far into the vineyard." Beth and Eric Wolfe's vineyard on First Avenue in Napa sees some flooding on Wednesday.
Silverado Trail in Napa flooded Wednesday.
Gov. Gavin Newsom declared a state of emergency in Sonoma County Thursday, because of the Russian River flooding.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
Russian River recedes after flooding 2,000 buildings in Guerneville and Monte Rio.
The mandatory evacuation orders are for the following areas:
Asti
Bailhache
Chianti
Guerneville
Guernewood
Guernewood Park
Hacienda
Jenner
Jimtown
Korbel
Lytton
Northwood
Northwood Lodge
Rio Dell
Rolands
Sheridan
Duncans Mills
El Bonita
Mirabel Heights
Mirabel Park
Monte Rio
Montesano
Summerhome Park
Vacation Beach
Wilson Grove
There are shelters located at:
Sebastopol Center for the Arts at 282 S. High St. in Sebastopol
Sonoma County Fairgrounds Grace Pavilion at 1350 Bennett Valley Rd. in Santa Rosa
There will be a free shuttle running from the Guerneville Veterans War Memorial at 16320 Church St. in Guerneville.
A map of the impacted areas includes road closures, school closures, sandbag locations and power outages. Hover or click on icons to see details. Legend is available on the left. Please be patient. The map may take several seconds to load.
Sonoma County Flood Map
Sonoma County officials recommended evacuating areas near the Russian River before expected flooding at 7 p.m. on Tuesday, Feb. 26.
Source: ESRI
Information from Bay City News was included in this story.
