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: Jan 18 2017 at 2:12 PM PSTNext Issuance: Jan 18 2017 at 9:00 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
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: Widespread heavy rain showers in the evening, then numerous rain showers after midnight. Breezy. Lows 36 to 44. Prevailing south winds 15 to 25 mph with gusts to around 40 mph shifting to the southwest 5 to 15 mph after midnight.

Thursday: Mostly cloudy with a chance of rain showers. Highs 42 to 56. Prevailing southwest winds up to 10 mph with gusts to around 25 mph.

Thursday Night: At lower elevations, a chance of rain showers in the evening, then rain showers after midnight. At higher elevations, a chance of rain and snow showers in the evening, then heavy rain showers and heavy snow showers after midnight. Breezy. Lows 35 to 43. No snow accumulation. Prevailing southwest winds up to 10 mph increasing to south 10 to 25 mph with gusts to around 45 mph after midnight.

Friday: Rain showers. Windy. Highs 40 to 52. Prevailing south winds 10 to 20 mph shifting to the west 15 to 30 mph with gusts to around 45 mph in the afternoon.

Friday Night: Cloudy. Rain showers likely in the evening, then a chance of rain showers after midnight. Lows 33 to 41. Prevailing southwest winds 5 to 15 mph.

Saturday: Mostly cloudy with a chance of rain showers. Highs 41 to 53.

Saturday Night: Rain showers. Lows 32 to 42.

Sunday: Rain showers likely. Breezy. Highs 40 to 52.

Sunday Night: Rain and snow showers likely. Light snow accumulations possible. Lows 32 to 40.

Monday: Mostly cloudy with a chance of rain and snow showers. Highs 40 to 52.

Monday Night: Mostly cloudy with a chance of rain and snow showers. Lows 30 to 38.

Tuesday: Mostly cloudy with a slight chance of rain showers. Highs 42 to 54.

Tuesday Night: Partly cloudy. Lows 31 to 39.

Wednesday: Mostly sunny. Highs 46 to 56.
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.