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 27 2017 at 1:51 PM PDTNext Issuance: Mar 28 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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To view other verification locations, use our Historical Graphical River Forecast Interface.
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)
Today: Partly cloudy. Warmer. Highs 61 to 73. Prevailing north winds 5 to 15 mph.

Tonight: Mostly clear. Lows 42 to 52. Prevailing northwest winds up to 15 mph.

Wednesday: Partly cloudy. Warmer. Highs 62 to 70 higher elevations and 68 to 78 lower elevations. Prevailing north winds up to 10 mph.

Wednesday Night: Mostly cloudy in the evening, then partly cloudy with a slight chance of rain showers after midnight. Lows 42 to 52. Prevailing west winds up to 10 mph.

Thursday: Mostly cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Highs 50 to 60 higher elevations and 60 to 67 lower elevations. Prevailing west winds 5 to 15 mph shifting to the northwest in the afternoon.

Thursday Night: Clear, colder. Lows 35 to 47.

Friday: Sunny, warmer. Highs 61 to 73.

Friday Night and Saturday: Clear. Lows 41 to 53. Highs 63 to 78.

Saturday Night through Sunday Night: Mostly clear. Lows 40 to 55. Highs 65 to 80.

Monday: Partly cloudy. Highs 61 to 71.
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.