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 13 2019 at 1:42 PM PSTNext Issuance: Nov 14 2019 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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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
2018*
207,100
5.06
Apr 24, 2018
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
 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: Mostly cloudy. Cooler. Lows 40 to 55. Prevailing southeast winds up to 10 mph in the evening becoming light.

Thursday: Mostly cloudy. Highs 60 to 70. Light winds becoming east up to 10 mph in the afternoon.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Colder. Lows 37 to 52. Prevailing south winds up to 10 mph shifting to the west after midnight.

Friday: Mostly cloudy in the morning then becoming mostly sunny. Highs 59 to 71. Prevailing northwest winds up to 10 mph shifting to the northeast in the afternoon.

Friday Night: Mostly clear. Lows 40 to 55. Prevailing southeast winds up to 10 mph shifting to the north after midnight.

Saturday: Sunny, warmer. Highs 67 to 79.

Saturday Night: Mostly clear. Lows 42 to 57.

Sunday through Monday Night: Mostly clear. Highs 66 to 80. Lows 41 to 56.

Tuesday through Wednesday: Mostly clear. Highs 57 to 72. Lows 38 to 53.
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.