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
2016*
330,200
7.91
Mar 24, 2016
2015*
186,000
4.56
Feb 22, 2015
2014*
99,400
2.47
Apr 14, 2009
2013*
257,000
6.23
Apr 6, 2013
2012*
242,800
5.90
Apr 29, 2012
 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)
Tonight: Clear. Lows 27 to 35. Prevailing west winds up to 10 mph.

Saturday: Mostly sunny in the morning then becoming mostly cloudy. At lower elevations, areas of frost in the morning. A slight chance of rain and snow showers in the afternoon. Highs 42 to 56. Snow level 3000 feet in the afternoon. Prevailing west winds up to 15 mph.

Saturday Night: Mostly clear. Lows 27 to 37. Prevailing northwest winds up to 15 mph.

Sunday: Patchy frost in the morning. Mostly sunny. Not as cool. Highs 43 to 53 higher elevations and 52 to 58 lower elevations. Prevailing west winds up to 15 mph.

Sunday Night: Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows 31 to 41. Prevailing west winds 5 to 15 mph.

Monday: Mostly cloudy with a chance of rain and snow showers. Highs 38 to 51.

Monday Night: Mostly clear. Breezy, colder. Lows 25 to 37.

Tuesday: Mostly sunny. Not as cool. Highs 47 to 59.

Tuesday Night and Wednesday: Partly cloudy. Lows 30 to 38. Highs 43 to 57.

Wednesday Night: Mostly cloudy with a chance of rain showers. Lows 33 to 43.

Thursday: Rain showers likely. Highs 41 to 53.

Thursday Night: Mostly cloudy with a chance of rain showers. Lows 32 to 42.

Friday: Mostly cloudy with a chance of rain and snow showers. Highs 41 to 53.
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.