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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: Jun 22, 2025 at 8:53 AM PDT
Action/Monitor: 30.0 FeetMinor Flood: 38.0 FeetModerate Flood: 42.0 FeetMajor Flood: 46.0 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  KLMC1

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Flood Impacts
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.
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.
65.0 FeetSevere flooding is expected in the delta area, 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 flooding effects.
64.0 FeetSevere flooding is 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 the top of the 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 flooding effects.
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 the top of the 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 flooding effects.
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 Rd, and the access road to Klamath Glen are likely to be flooded and impassable.
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 innundation of the transfer station.
42.0 FeetFlooding of Highway 101 near Requa Rd, the access road to Klamath Glen, and adjacent low lying secondary roads near the delta is likely. Flooding will be amplified if coincident with high tides and strong onshore winds.
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.
38.0 FeetFlooding of lowest lying areas is likely.
34.0 FeetFlooding of lowest lying areas may occur.
Official 7 Day National Weather Service Forecast   (CAZ101)
Today: Partly cloudy until early afternoon then becoming mostly cloudy. Highs 61 to 76. Northwest wind around 10 mph.

Tonight: Mostly cloudy. Patchy fog. Lows 45 to 55. West wind around 5 mph shifting to the south overnight.

Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 60 to 71. West wind around 10 mph.

Tuesday Night: Mostly cloudy. Patchy fog. Lows 45 to 55. Northwest wind around 10 mph.

Wednesday: Mostly cloudy. Patchy fog. Highs 60 to 71. Northwest wind around 10 mph.

Wednesday Night and Thursday: Mostly cloudy. Lows 46 to 56. Highs 60 to 71.

Thursday Night through Friday Night: Partly cloudy. Lows 46 to 56. Highs 60 to 73.

Saturday through Sunday: Partly cloudy. Highs 66 to 81. Lows 48 to 58.