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
Monitor Stage: 8.0 FeetFlood Stage: 9.0 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 Storage (Ac-ft)
Stage (feet)
Date
 Most Recent 5 Years
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
2018*
207,100
5.06
Apr 24, 2018
 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: Rain showers. Breezy. Highs 41 to 51. Southeast wind 20 to 25 mph with gusts at higher elevations to around 40 mph.

Tonight: Rain showers in the evening, then rain showers likely overnight. Breezy. Lows 35 to 45. East wind 20 to 25 mph.

Saturday: Mostly cloudy. Chance of rain showers. Highs 49 to 59. East wind around 20 mph in the morning.

Saturday Night: Partly cloudy. Lows 35 to 45.

Sunday: Mostly sunny. Highs 55 to 65.

Sunday Night: Mostly clear. Lows 37 to 47.

Monday through Tuesday Night: Clear. Highs 64 to 78. Lows 40 to 50.

Wednesday: Sunny. Highs 64 to 75.

Wednesday Night and Thursday: Partly cloudy. Lows 36 to 46. Highs 60 to 75.
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.