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: Mar 23 2017 at 2:05 PM PDTNext Issuance: Mar 24 2017 at 9:00 AM PDT
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
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
2011*
396,100
9.39
Mar 28, 2011
 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: A chance of rain in the evening, then rain after midnight. Lows 38 to 48. Prevailing south winds 5 to 15 mph with gusts to around 30 mph.

Friday: Heavy rain. Highs 47 to 56. Prevailing south winds 5 to 15 mph with gusts to around 35 mph.

Friday Night: Mostly cloudy. Rain likely in the evening, then a slight chance of rain showers after midnight. Lows 36 to 44. Prevailing southwest winds up to 10 mph.

Saturday: Partly cloudy. Not as cool. Highs 47 to 55 higher elevations and 56 to 62 lower elevations. Light winds.

Saturday Night: Mostly cloudy. Lows 37 to 45. Prevailing west winds up to 10 mph.

Sunday: Mostly cloudy with a chance of rain showers. Highs 43 to 55.

Sunday Night: Rain. Lows 38 to 46.

Monday: Mostly cloudy with a chance of rain showers. Not as cool. Highs 47 to 62.

Monday Night and Tuesday: Partly cloudy. Lows 36 to 48. Highs 51 to 66.

Tuesday Night: Partly cloudy. Lows 41 to 55.

Wednesday: Mostly sunny. Warmer. Highs 60 to 75.

Wednesday Night: Partly cloudy. Colder. Lows 38 to 48.

Thursday: Mostly sunny. Highs 50 to 65.
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.