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: Oct 20 2018 at 8:50 AM PDTNext Issuance: Oct 21 2018 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
2017*
452,400
10.63
Feb 22, 2017
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
 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: Clear. Lows 45 to 60. Prevailing south winds up to 10 mph in the evening becoming light.

Sunday: Sunny. Highs 68 to 77 higher elevations and 71 to 84 lower elevations. Light winds.

Sunday Night: Clear. Lows 44 to 59. Prevailing west winds up to 10 mph.

Monday: Sunny. Highs 65 to 74 higher elevations and 69 to 81 lower elevations. Light winds.

Monday Night: Clear. Lows 43 to 57. Light winds.

Tuesday: Mostly sunny. Highs 64 to 78.

Tuesday Night: Partly cloudy. Lows 43 to 57.

Wednesday: Partly cloudy. Highs 63 to 78.

Wednesday Night: Mostly cloudy. Lows 46 to 58.

Thursday through Friday: Partly cloudy. Highs 66 to 81. Lows 46 to 61.

Friday Night and Saturday: Mostly clear. Lows 46 to 60. Highs 68 to 83.
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.