CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)

Latitude: 39.70º N	Longitude: 121.27º W	Elevation: 1560 Feet
Location: Butte County in California		Bulletin Group: Lower Sacramento		River Group: Feather Yuba

Issuance Time:

Dec 28 2025 at 8:15 AM PST

Next Issuance:

Dec 29 2025 at 9:00 AM PST

Action/Monitor: N/A

Minor Flood: N/A

Moderate Flood: N/A

Major Flood: N/A

Plot Type:

Please Note:
1) 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.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ068)

Tonight: Clear. Widespread frost. Lows 18 to 33. Prevailing northeast winds 5 to 15 mph.

Monday: Widespread frost in the morning. Sunny. Not as cool. Highs 39 to 54. Prevailing northeast winds up to 10 mph with gusts to around 25 mph.

Monday Night: Clear. Widespread frost after midnight. Lows 22 to 37. Prevailing northeast winds up to 10 mph with gusts to around 25 mph.

Tuesday: Widespread frost in the morning. Sunny. Highs 38 to 53 higher elevations and 43 to 58 lower elevations. Prevailing northeast winds up to 10 mph.

Tuesday Night: Mostly clear. Widespread frost after midnight. Lows 25 to 40. Prevailing northeast winds up to 10 mph.

Wednesday: Mostly cloudy with a slight chance of rain. Highs 39 to 54.

Wednesday Night: Mostly cloudy with a chance of rain. Lows 28 to 43.

New Years Day through Friday: Rain. Highs 36 to 51. Lows 30 to 45.

Friday Night through Sunday: Rain and snow likely. Moderate snow accumulations possible. Lows 28 to 43. Highs 34 to 49.

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 Sacramento 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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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.