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)
Rest of Tonight: Mostly cloudy. In the valleys, patchy fog after midnight. Lows 46 to 52. Prevailing northeast winds up to 10 mph.

Tuesday: In the valleys, patchy fog in the morning. Mostly cloudy. Warmer. Highs 60 to 68. Light winds.

Tuesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 47 to 55. Light winds.

Wednesday: Partly cloudy. Highs 65 to 73. Prevailing east winds up to 10 mph.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 49 to 57. Light winds.

Thanksgiving Day: Mostly cloudy with a slight chance of rain. Highs 59 to 69.

Thursday Night: Mostly cloudy with a slight chance of rain. Lows 47 to 57.

Friday through Sunday: Mostly cloudy with a slight chance of rain showers. Highs 54 to 69. Lows 44 to 57.

Sunday Night: Mostly cloudy with a slight chance of rain showers. Lows 41 to 49.

Monday: Mostly cloudy with a chance of rain showers. Highs 47 to 59.
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.