Erosion of lowest agricultural areas along river begins.
22.0 Feet
In the city of Napa, the Napa River Dry Bypass is fully inundated and flow begins to cross McKinstry Street.
24.0 Feet
In the city of Napa, flow begins to leave the Napa River channel at RiverPointe (North of Lincoln Avenue).
25.0 Feet
Flooding of lowest parts of towns in reach begins. Inundation of lowest agricultural land in Napa Valley. Some secondary roads are inundated. Moderate damage from bank erosion and sediment deposition throughout the reach.
26.0 Feet
In the city of Napa, flow begins to leave the Napa River channel in the South Coombs area (north of Imola Avenue) and the south oxbow (near Taylor Street). Crop losses and erosion damage become serious. Moderate flood damage in lower parts of urban areas along the reach. Transportation in the Napa Valley becoming difficult. The flood of 2/3/1998 measured 26.72 feet.
27.0 Feet
In the city of Napa, moderate flooding begins on the east side of Napa River near Milliken Creek Inn.
28.0 Feet
In the city of Napa, significant flooding occurs near Lincoln Avenue with some secondary roads inundated. Major flooding of towns within the reach of the gage, especially Napa. Inundation of agricultural land, major damage from bank erosion and sediment deposition in Napa Valley. Transporation difficult throughout the Napa Valley. The 1/1/1997 flood measured 28.07 feet and cut off east-west travel except at Highway 29 over the Napa River.
29.0 Feet
In the city of Napa, the Soscol Corridor between the Bypass and LakePark is inundated, and the LakePark area begins to flood and flow begins to leave the Napa River at Riverside Drive.
30.0 Feet
In the city of Napa, flooding in the south oxbow area expands south towards Tulocay Creek and Imola Avenue begins to flood on both sides of the river. Major flooding continues in the Napa Valley, with major damage to homes and businesses, especially in Napa. Transportation impossible in the Napa Valley. 20,000 acres possible flooded in the Napa Valley. Between 5,000 and 7,000 evacuations occurred in the 2/18/1986 record flood, 37,000 cfs and 30.20 feet.
32.0 Feet
Widespread flooding occurs in the entire Napa Valley, with transportation impossible. Disastrous damage to homes and businesses in the Napa Valley, especially the city of Napa.
Official 7 Day National Weather Service Forecast (CAZ506)
Today: Sunny. Highs in the 70s to lower 80s. Northwest winds 10 to 20 mph.
Tonight: Mostly clear. Lows in the upper 40s to mid 50s. West winds 10 to 20 mph.
Thursday: Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. West winds 5 to 15 mph.
Thursday Night: Clear. Lows in the 50s. Northwest winds 10 to 20 mph.
Friday: Sunny in the morning then becoming partly cloudy. Highs in the 60s to upper 70s. West winds 10 to 20 mph.
Friday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s.
Saturday: Partly cloudy. A slight chance of rain. Highs in the lower 60s to mid 70s.
Saturday Night through Monday Night: Mostly clear. Lows in the 40s to upper 50s. Highs in the mid 60s to lower 80s.
Tuesday: Sunny. Highs in the lower 70s to mid 80s.
Product Disclaimer
This river graphic is not intended to serve as a
substitute for official flood watches, warnings, advisories, or statements
issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations
are preliminary and subject to change. River levels identified as "forecast"
should be consistent with those contained in official NWS products.
River levels identified as "guidance" have significant uncertainty
due to future weather or reservoir regulation and are provided for planning
purposes only.
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