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: Mostly clear. Lows 27 to 37. Prevailing northwest winds up to 15 mph. Gusts up to 30 mph in the evening.

Sunday: Patchy frost in the morning. Mostly sunny. Not as cool. Highs 42 to 52 higher elevations and 51 to 57 lower elevations. Prevailing west winds up to 15 mph.

Sunday Night: Mostly cloudy. At lower elevations, a slight chance of rain in the evening, then a chance of rain after midnight. At higher elevations, a slight chance of rain and snow in the evening, then rain and snow likely after midnight. Lows 30 to 40. Prevailing west winds 5 to 15 mph with gusts to around 35 mph.

Monday: Mostly cloudy with a chance of rain and snow in the morning, then partly cloudy with a slight chance of rain and snow showers in the afternoon. Highs 40 to 51. No snow accumulation lower elevations and up to 1 inch higher elevations. Snow level 2500 feet. Prevailing west winds 5 to 15 mph shifting to the north in the afternoon. Gusts up to 30 mph.

Monday Night: Mostly clear. Breezy. Lows 26 to 36. Prevailing north winds 10 to 25 mph with gusts to around 40 mph.

Tuesday: Mostly sunny. Not as cool. Highs 48 to 58.

Tuesday Night: Partly cloudy. Lows 32 to 40.

Wednesday: Mostly cloudy with a slight chance of rain showers. Highs 42 to 54.

Wednesday Night: Mostly cloudy with a chance of rain showers. Lows 35 to 45.

Thursday: Rain showers. Highs 39 to 51.

Thursday Night: Mostly cloudy with rain and snow showers likely. Moderate snow accumulations possible. Lows 32 to 42.

Friday through Saturday: Mostly cloudy with a chance of rain and snow showers. Highs 40 to 55. Lows 30 to 42.
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.