CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

KLAMATH RIVER - IRON GATE (IRGC1)

Latitude: 41.93º N	Longitude: 122.44º W	Elevation: 2162 Feet
Location: Siskiyou County in California		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Dec 27 2025 at 9:16 AM PST

Next Issuance:

Dec 28 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 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)

Today: Mostly cloudy early this morning then becoming partly cloudy. Patchy freezing fog early this morning. Highs in the mid 30s to lower 40s. North winds around 5 mph.

Tonight: Partly cloudy. Patchy fog through the night. Widespread freezing fog after midnight. Lows in the lower to mid 20s. Northeast winds around 5 mph.

Sunday: Partly cloudy in the morning then becoming sunny. Widespread freezing fog in the morning. Highs in the mid 30s to mid 40s. Northeast winds around 5 mph.

Sunday Night: Partly cloudy. Lows in the mid 20s. East winds around 5 mph.

Monday: Sunny. Highs in the lower to mid 40s. East winds around 5 mph.

Monday Night: Mostly clear. Lows in the mid 20s to lower 30s.

Tuesday: Partly cloudy in the morning then clearing. Highs in the mid 40s to lower 50s.

Tuesday Night and Wednesday: Mostly clear. Lows in the mid 20s to lower 30s. Highs in the mid 40s to lower 50s.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 30s.

New Years Day: Partly cloudy with a slight chance of rain in the morning, then mostly cloudy with a chance of rain and snow in the afternoon. Highs in the mid 40s to lower 50s.

Thursday Night: Mostly cloudy with a chance of rain and snow. Lows in the lower to mid 30s.

Friday: Mostly cloudy with a chance of rain and snow. Highs in the lower to mid 40s.

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.