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 CaliforniaRiver Group: North Coast
Monitor Stage: 30.0 FeetFlood Stage: 38.0 FeetDanger Stage: 59.0 Feet

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.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2018*
97,000
25.95
Apr 7, 2018
2017*
265,000
41.64
Feb 10, 2017
2016*
199,000
36.33
Jan 18, 2016
2015*
172,000
33.91
Feb 7, 2015
2014*
92,000
25.51
Mar 10, 2014
 Historical High Stage/Flow Events (Period of Record - December 1861 to Present)**
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
 *** Specific date during these months not available
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ101)
Today: Mostly cloudy. Highs 52 to 62. West wind around 5 mph.

Tonight: Mostly cloudy. Patchy fog in the evening. Slight chance of rain overnight. Lows 35 to 45. North wind around 10 mph.

Saturday: Mostly cloudy. Chance of rain through the day. Highs 46 to 56. Northwest wind 5 to 15 mph.

Saturday Night: Partly cloudy. Slight chance of rain. Snow level 1000 to 1500 feet. Lows 31 to 41. North wind 5 to 15 mph.

Sunday: Sunny. Highs 47 to 57. North wind 10 to 20 mph.

Sunday Night: Mostly clear. Lows 32 to 42.

Monday: Partly cloudy in the morning then clearing. Highs 51 to 61.

Monday Night: Mostly clear. Lows 37 to 47.

Tuesday: Mostly sunny. Highs 53 to 63.

Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 38 to 48.

Wednesday: Partly cloudy. Highs 54 to 64.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 38 to 48.

Thursday: Partly cloudy in the morning then becoming mostly cloudy. Slight chance of rain. Highs 52 to 62.
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.
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.