National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service


Latitude: 40.49º NLongitude: 124.1º WElevation: 36 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Sep 25 2021 at 8:49 AM PDTNext Issuance: Sep 26 2021 at 9:00 AM PDT
Monitor Stage: 45.0 FeetFlood Stage: 51.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
 Most Recent 5 Years
Jan 26, 2020
Feb 27, 2019
Apr 7, 2018
Jan 11, 2017
Jan 18, 2016
 Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present)* - Ranked by Flow
Dec 23, 1964
Dec 22, 1955
Jan 16, 1974
1995 368,000 51.30 Jan 9, 1995
1986 364,000 51.08 Feb 17, 1986
1997 360,000 54.97 Jan 1, 1997
* Most recent continuous record back to Oct 1916 with segmented periods back to Dec 1910
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ103)
Today: Mostly cloudy until early afternoon then becoming partly cloudy. Patchy fog in the morning. Highs 62 to 72. Southwest wind around 10 mph.

Tonight: Mostly cloudy. Patchy fog overnight. Chance of rain overnight. Lows 48 to 58. Southwest wind around 5 mph shifting to the southeast overnight.

Monday: Patchy fog in the morning. Rain through the day. Near steady temperature in the upper 50s. South wind around 10 mph shifting to the southwest in the afternoon.

Monday Night: Mostly cloudy. Patchy fog. Chance of rain showers. Lows 42 to 52. West wind around 10 mph.

Tuesday: Partly cloudy. Patchy fog. Highs 56 to 66. Northwest wind around 10 mph.

Tuesday Night through Thursday: Partly cloudy. Lows 39 to 49. Highs 56 to 71.

Thursday Night and Friday: Mostly cloudy. Lows 44 to 54. Highs 59 to 71.

Friday Night and Saturday: Partly cloudy. Lows 42 to 52. Highs 59 to 70.
Impacts - E19 Information
46.0 FeetMinor flooding is possible in the northern portion of the River's Edge RV Park in Rio Dell. Occupants of the park need to be ready to move their vehicles to higher ground.
48.0 FeetFlooding of the River's Edge RV Park in Rio Dell is expected. Occupants of the park may need to move their vehicles to higher ground.
50.0 FeetFlooding of the River's Edge RV Park in Rio Dell is likely. Occupants of the park will need to move their vehicles to higher ground.
52.0 FeetMinor flooding in the Shively area is possible.
55.0 FeetFlooding of low-lying areas near Shively likely, and possible closure of portions of the Avenue of the Giants (Highway 254).
62.0 FeetFlooding of many low-lying areas near the river is likely. Numerous closures along the Avenue of the Giants (Highway 254).
67.0 FeetExpect significant flooding in all areas near the river with numerous road closures, including the Avenue of the Giants (Highway 254).
72.0 FeetExtensive and severe flooding of all areas adjacent to the river with possible damage to roads, bridges, and other structures. Expect many road closures including the Avenue of the Giants (Highway 254) and possibly US Highway 101.
74.0 FeetExtensive and severe flooding throughout the river valley with major damage to roads, bridges, and structures. Numerous road closures including the Avenue of the Giants (Highway 254) and US Highway 101.
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 Eureka 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.