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: Dec 12 2019 at 7:47 AM PSTNext Issuance: Dec 12 2019 at 3:00 PM 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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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)
Today: Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Not as cool. Highs 47 to 57 higher elevations and 55 to 63 lower elevations. Prevailing southwest winds up to 10 mph.

Tonight: Mostly cloudy. Lows 42 to 50. Prevailing southwest winds up to 10 mph.

Friday: Mostly cloudy with a chance of rain. Highs 43 to 53 higher elevations and 51 to 59 lower elevations. Prevailing southwest winds up to 10 mph.

Friday Night: Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Colder. Lows 36 to 44. Prevailing west winds up to 15 mph.

Saturday: Mostly cloudy. A chance of rain in the afternoon. Highs 40 to 50 higher elevations and 49 to 57 lower elevations. Prevailing northeast winds up to 10 mph shifting to the west in the afternoon.

Saturday Night: Mostly cloudy. Lows 31 to 39.

Sunday: Mostly sunny. Highs 43 to 55.

Sunday Night through Monday Night: Partly cloudy. Lows 30 to 40. Highs 45 to 55.

Tuesday: Mostly cloudy with a slight chance of rain. Highs 43 to 53.

Tuesday Night: Mostly cloudy with a chance of rain. Lows 36 to 42.

Wednesday: Cloudy with a chance of rain. Highs 42 to 52.
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.