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 CaliforniaRiver Group: Lower Sacramento
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
2018*
207,100
5.06
Apr 24, 2018
2017*
452,400
10.63
Feb 22, 2017
2016*
330,200
7.91
Mar 24, 2016
2015*
186,000
4.56
Feb 22, 2015
2014*
99,400
2.47
Apr 14, 2009
 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
Official 7 Day National Weather Service Forecast   (CAZ064)
Today: Mostly cloudy. Highs 60 to 70 higher elevations and 66 to 76 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Tonight: Mostly cloudy. Lows 38 to 48. Prevailing west winds up to 10 mph.

Saturday: Partly cloudy in the morning then becoming mostly cloudy. Highs 46 to 57 higher elevations and 53 to 64 lower elevations. Prevailing northwest winds up to 15 mph.

Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. Colder. Lows 30 to 40. Prevailing northwest winds 5 to 15 mph.

Sunday: Mostly sunny. Breezy. Highs 48 to 60. Prevailing north winds 5 to 15 mph increasing to 15 to 25 mph with gusts to around 40 mph in the afternoon.

Sunday Night: Clear, breezy. Lows 31 to 42.

Monday: Sunny, warmer. Highs 57 to 69.

Monday Night and Tuesday: Clear. Lows 36 to 49. Highs 64 to 76.

Tuesday Night and Wednesday: Mostly clear. Lows 39 to 49. Highs 62 to 74.

Wednesday Night and Thursday: Partly cloudy. Lows 38 to 48. Highs 60 to 72.
Impacts - E19 Information
8.5 FeetMinor flooding of some lake side 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.
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 Sacramento 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.