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

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KLAMATH RIVER - KLAMATH (KLMC1)
Latitude: 41.51º NLongitude: 123.98º WElevation: 6 Feet
Location: Del Norte County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Feb 25 2024 at 7:57 AM PSTNext Issuance: Feb 26 2024 at 9:00 AM PST
Monitor Stage: 30.0 FeetFlood Stage: 38.0 FeetDanger Stage: 59.0 Feet

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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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2022*
53,800
20.30
Jan 8, 2022
2021*
76,300
23.67
Jan 13, 2021
2020*
88,300
25.19
Jan 26, 2020
2019*
156,000
32.64
Feb 27, 2019
2018*
97,000
25.95
Apr 7, 2018
 Historical High Stage/Flow Events (Period of Record - December 1861 to Present)** - Ranked by Flow
1965*
557,000
55.30
Dec 23, 1964
1974*
529,000
41.96
Jan 16, 1974
1986*
459,000
36.76
Feb 18, 1986
1861*
450,000
60.00
Dec -- 1861
1890*
425,000
63.00
Feb --, 1890
1956*
425,000
49.70
Dec 22, 1955
 * Discharge affected to unknown degree by regulation or diversion
 ** Most recent continuous record back to 1932 with segmented periods back to Dec 1861
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
34.0 FeetFlooding of lowest lying areas may occur.
38.0 FeetFlooding of lowest lying areas is likely.
40.0 FeetFlooding may occur on the access road to Klamath Glen and adjacent low lying secondary roads near the delta. Flooding will be amplified if coincident with high tides and strong, onshore winds.
42.0 FeetFlooding of US Highway 101 near Requa Road, the road to Klamath Glen, and adjacent low-lying secondary roads near the delta is likely. Flooding will be amplified with high tides and strong onshore winds.
46.0 FeetNumerous road closures are expected including US Highway 101 and secondary roads in the area. Significant flooding of many homes and businesses will occur. Loss of power is likely due to inundation of transfer station.
49.0 FeetExtensive flooding along the river from Blue Creek downstream to the Pacific Ocean. Most roads in the area, including US Highway 101, Requa Road, and the road to Klamath Glen are likely to be flooded and impassable.
63.0 FeetSevere flooding of the delta area below the levee. Most roads will be flooded and impassable, including US Highway 101 and numerous secondary roads. The forecast level is within 2.5 feet of top of levee protecting Klamath Glen. Any persons living or working in areas protected by the levee should be prepared to take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
64.0 FeetSevere flooding in the delta area is likely, particularly US Highway 101 in the vicinity of Requa Road, the access road to Klamath Glen, and secondary roads. The forecast level is within 1.5 feet of top of levee. Any persons living or working in areas protected by the levee should be prepared to take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
65.0 FeetSevere flooding in the delta area is likely, particularly US Highway 101 in the vicinity of Requa Road, the access road to Klamath Glen, and secondary roads. The forecast level is within 0.5 feet of top of levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
65.5 FeetExtensive and severe flooding can be expected from above Klamath Glen to the Pacific Ocean including the towns of Klamath and Klamath Glen and US Highway 101. The forecast level is at the top of the levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground. High tides and strong onshore winds amplify effects.
66.0 FeetExtensive and severe flooding can be expected from above Klamath Glen to the Pacific Ocean including the towns of Klamath and Klamath Glen and US Highway 101. The forecast level is over the top of the levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground.
Official 7 Day National Weather Service Forecast   (CAZ101)
Tonight: Mostly cloudy. Patchy fog in the evening. Rain overnight. Lows 39 to 49. Southwest wind around 5 mph increasing to around 15 mph overnight.

Monday: Rain showers in the morning, then slight chance of rain showers in the afternoon. Highs 46 to 56. Northwest wind 5 to 15 mph.

Monday Night: Mostly cloudy. Slight chance of rain showers in the evening. Patchy frost in the evening. Areas of frost overnight. Snow level 1000 to 1500 feet. Lows 32 to 42. Northeast wind around 10 mph.

Tuesday: Mostly cloudy. Patchy frost. Highs 47 to 57. Northwest wind around 5 mph.

Tuesday Night and Wednesday: Mostly cloudy. Chance of rain. Lows 37 to 47. Highs 47 to 60. South wind 10 to 20 mph.

Wednesday Night through Thursday Night: Rain. Lows 35 to 45. Highs 48 to 60.

Friday: Rain. Highs 42 to 52.

Friday Night: Rain and snow. Lows 31 to 41.

Saturday: Rain. Highs 42 to 52.

Saturday Night: Mostly cloudy. Chance of rain and snow. Lows 30 to 40.

Sunday: Mostly cloudy. Chance of rain. Highs 45 to 55.
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.