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
Issuance Time: Nov 22 2017 at 1:28 PM PSTNext Issuance: Nov 23 2017 at 9:00 AM PST
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.

Verification - Historical Graphical RVF
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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: Partly cloudy in the evening then becoming mostly cloudy. Lows 47 to 57. Light winds.

Thanksgiving Day: Mostly cloudy with a chance of rain. Highs 61 to 69. Prevailing west winds up to 10 mph.

Thursday Night: Mostly cloudy. A slight chance of rain in the evening. Lows 46 to 54. Prevailing northwest winds up to 10 mph.

Friday: Mostly cloudy. Highs 59 to 67. Prevailing northwest winds up to 10 mph.

Friday Night: Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows 45 to 55. Prevailing north winds up to 10 mph.

Saturday: Mostly cloudy with a chance of rain. Highs 56 to 64.

Saturday Night: Mostly cloudy with a chance of rain. Lows 44 to 52.

Sunday and Sunday Night: Rain likely. Highs 46 to 58. Lows 35 to 50.

Monday: Partly cloudy with a slight chance of rain showers. Highs 46 to 56.

Monday Night and Tuesday: Mostly clear. Lows 34 to 44. Highs 53 to 61.

Tuesday Night: Mostly clear. Patchy fog. Lows 34 to 44.

Wednesday: Partly cloudy. Patchy fog. Highs 53 to 61.
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.