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

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MATTOLE RIVER - PETROLIA (MTOC1)
Latitude: 40.31º NLongitude: 124.28º WElevation: 40 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Dec 01 2023 at 1:27 PM PSTNext Issuance: Dec 02 2023 at 9:00 AM PST
Monitor Stage: N/A Flood Stage: N/A

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
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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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ104)
Tonight: Mostly cloudy. Chance of rain in the evening, then rain likely overnight. Lows 40 to 50. South wind up to 10 mph.

Saturday: Rain likely in the morning, then rain in the afternoon. Highs 51 to 61. Southwest wind up to 10 mph.

Saturday Night: Rain. Near steady temperature in the lower 50s. Southwest wind 5 to 15 mph.

Sunday: Rain. Highs 52 to 62. South wind 5 to 15 mph.

Sunday Night: Rain. Lows 46 to 56. Southeast wind 10 to 20 mph.

Monday: Mostly cloudy. Chance of rain. Highs 54 to 64. Southeast wind 10 to 20 mph.

Monday Night: Mostly cloudy. Chance of rain. Lows 47 to 57.

Tuesday through Thursday Night: Rain likely. Highs 50 to 64. Lows 43 to 53.

Friday: Mostly cloudy. Chance of rain. Highs 46 to 57.
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.