CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SHASTA RIVER - YREKA (YREC1)

Latitude: 41.82º N	Longitude: 122.59º W	Elevation: 2000 Feet
Location: Siskiyou County in California		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Jul 01 2025 at 7:28 AM PDT

Next Issuance:

Jul 02 2025 at 9:00 AM PDT

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 US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ081)

Tonight: Mostly cloudy with scattered showers and isolated thunderstorms this evening, then partly cloudy after midnight. Lows around 60. Northwest winds 10 to 15 mph shifting to the north 5 to 10 mph late this evening and overnight. Chance of precipitation 30 percent.

Wednesday: Sunny. Isolated thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Highs in the lower 80s to lower 90s. North winds 5 to 10 mph.

Wednesday Night: Mostly clear. Lows in the mid 50s. North winds 10 to 20 mph decreasing to 5 to 10 mph after midnight.

Thursday: Sunny. Highs in the mid 70s to mid 80s. North winds 5 to 10 mph.

Thursday Night: Partly cloudy in the evening then clearing. Lows in the lower to mid 50s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.

Independence Day and Friday Night: Mostly clear. Highs in the mid 70s to mid 80s. Lows in the lower to mid 50s.

Saturday and Saturday Night: Clear. Highs in the lower 80s to lower 90s. Lows in the lower to mid 50s.

Sunday and Sunday Night: Clear. Highs in the mid 80s to mid 90s. Lows in the lower 50s to lower 60s.

Monday: Sunny. Highs 90 to 100.

Monday Night: Mostly clear. Lows in the lower to mid 60s.

Tuesday: Sunny. Highs 90 to 100.

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 Medford 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.