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CLEAR LAKE - LAKEPORT (CLKC1)
Latitude:
39.04º N		Longitude:
122.91º W		Elevation:
1318 Feet
Location: Lake County in CA
River Group: Lower Sacramento
Issuance Time: Jul 06 2025 at 8:02 AM PDT
Action/
Monitor:
8.0 Ft		Minor
Flood:
9.0 Ft		Moderate
Flood:
11.9 Ft		Major
Flood:
12.0 Ft
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in feet):  Forecast Group  |  CLKC1
Created with Highcharts 9.2.1Date/Time (Pacific)Lake Level (Feet)Reservoir Storage (Acre-Feet)Probability of Threshold Exceedance​(%)Hourly Lake Level Threshold Exceedance Probabilities​CACHE CK - CLEAR LAKE (CLKC1)​Created: 07/06/2025 at 8:02 AM PDTJul 07​Mon​12amJul 08​Tue​12amJul 09​Wed​12amJul 10​Thu​12amJul 11​Fri​12amJul 06​Sun​12pmJul 07​Mon​12pmJul 08​Tue​12pmJul 09​Wed​12pmJul 10​Thu​12pm6578910247,097204,518290,387334,193378,618423,66802550751008.0 ft Action/Monitor Stage9.0 ft Minor Flood Stage
Created with Highcharts 9.2.1Duration of Peak Lake​Level Threshold ​Exceedance
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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Flood Impacts
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.
9.0 FeetLow lying structures and some main roads around the lake are threatened by the high lake levels.
8.5 FeetMinor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.5 FeetMinor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.0 FeetMinor flooding of some lakeside residents occurs.
Official 7 Day National Weather Service Forecast   (CAZ115)
Tonight: Mostly clear. Lows 57 to 67.

Monday: Sunny. Highs 83 to 95.

Monday Night: Mostly clear. Lows 52 to 62.

Tuesday: Sunny. Highs 78 to 90.

Tuesday Night and Wednesday: Clear. Lows 51 to 61. Highs 80 to 95.

Wednesday Night through Saturday: Clear. Lows 62 to 72. Highs 88 to 103.

Saturday Night: Mostly clear. Lows 59 to 69.

Sunday: Sunny. Highs 87 to 99.

Flood Impacts
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.
9.0 FeetLow lying structures and some main roads around the lake are threatened by the high lake levels.
8.5 FeetMinor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.5 FeetMinor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.0 FeetMinor flooding of some lakeside residents occurs.