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: May 23 2016 at 7:59 AM PDTNext Issuance: May 24 2016 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
2014*
99,352
2.47
Apr 14, 2009
2013*
257,025
6.23
Apr 6, 2013
2012*
242,826
5.90
Apr 29, 2012
2011*
396,149
9.39
Mar 28, 2011
2010*
337,292
8.07
Apr 14, 2010
 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. A chance of rain showers in the evening. Lows 44 to 52. Prevailing northwest winds up to 10 mph.

Tuesday: Mostly cloudy. A slight chance of rain showers in the morning and then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 58 to 70. Light winds becoming east up to 10 mph in the afternoon.

Tuesday Night: Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening. Lows 45 to 53. Prevailing west winds up to 10 mph.

Wednesday: Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 59 to 69 higher elevations and 67 to 74 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 46 to 56. Prevailing west winds up to 10 mph in the evening becoming light.

Thursday: Mostly sunny. Warmer. Highs 67 to 81.

Thursday Night: Mostly clear. Lows 48 to 58.

Friday through Saturday: Mostly clear. Highs 69 to 83. Lows 46 to 58.

Saturday Night through Sunday Night: Partly cloudy. Lows 47 to 59. Highs 69 to 84.

Memorial Day: Mostly sunny. Highs 72 to 84.
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 120 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.