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
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.

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: Clear. Lows 56 to 69. Prevailing west winds up to 10 mph.

Tuesday: Sunny. Highs 81 to 92 higher elevations and 87 to 96 lower elevations. Prevailing northwest winds up to 10 mph shifting to the southeast in the afternoon.

Tuesday Night: Clear. Lows 53 to 65. Prevailing southwest winds up to 15 mph.

Wednesday: Sunny. Highs 75 to 89. Prevailing south winds up to 10 mph.

Wednesday Night: Mostly clear. Cooler. Lows 48 to 58. Prevailing southwest winds up to 20 mph.

Thursday: Sunny. Highs 68 to 80.

Thursday Night: Mostly clear. Lows 46 to 56.

Friday and Friday Night: Mostly clear. Highs 64 to 78. Lows 46 to 56.

Saturday: Mostly sunny. Warmer. Highs 72 to 84.

Saturday Night and Sunday: Clear. Lows 50 to 61. Highs 73 to 88.

Sunday Night and Memorial Day: Mostly clear. Lows 51 to 63. Highs 77 to 91.
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.