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

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CLEAR LAKE - LAKEPORT (CLKC1)
Latitude: 39.04º NLongitude: 122.91º WElevation: 1318 Feet
Location: Lake County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Cache Putah
Issuance Time: Jun 20 2024 at 8:19 AM PDTNext Issuance: Jun 21 2024 at 9:00 AM PDT
Monitor Stage: 8.0 FeetFlood Stage: 9.0 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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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Storage (Ac-ft)
Stage (feet)
Date
 Most Recent 5 Years
2023*
344,400
8.23
Mar 22, 2023
2022*
7,360
0.55
Feb 13, 2022
2021*
49,100
1.23
Mar 24, 2016
2020*
191,900
4.70
Apr 16, 2020
2019*
421,900
9.96
Mar 2, 2019
 Historical High Stage/Flow Events (Period of Record - Oct 1984 to Present)**
1998
--
11.44
Feb 24, 1998
1986
480,900
11.34
Feb 2, 1986
1983
485,400
11.34
Jan 3, 1983
1914 471,800 11.09 Jan 28, 1914
* Data for the most recent 5 years utilizes mean daily values rather than instantaneous values
** Most recent continuous record back to Oct 1984 with segmented periods back to 1874
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
8.0 FeetMinor flooding of some lakeside residents occurs.
8.5 FeetMinor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
9.0 FeetLow lying structures and some main roads around the lake are threatened by the high lake levels.
11.0 FeetMajor flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 20 around the north end of the lake is closed in some areas.
Official 7 Day National Weather Service Forecast   (CAZ115)
Today: Sunny. Areas of smoke in the morning. Haze through the day. Patchy smoke in the afternoon. Highs 83 to 94.

Tonight: Mostly clear. Haze through the night. Areas of smoke overnight. Lows 56 to 66.

Friday: Sunny. Areas of smoke in the morning. Haze through the day. Highs 90 to 101.

Friday Night: Clear. Lows 61 to 71.

Saturday: Sunny. Highs 92 to 103.

Saturday Night through Wednesday: Clear. Lows 57 to 67. Highs 88 to 103.
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.