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KERN RIVER - LAKE ISABELLA (ISAC1)
Latitude:
35.65º N
Longitude:
118.48º W
Elevation:
2515 Feet
Location: Kern County in CA
River Group: San Joaquin
Issuance Time: May 12 2025 at 8:13 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to Current Date at 12 UTC)
  Observed
05/12/2025
5.4kaf
  

Forecast
Peak 1-Day Streamflow Volume:
(Current Date at 12 UTC to August 1 at 12 UTC)
10% (Max)
05/27/2025
6.7kaf
25%
05/25/2025
6.4kaf
50% (Prob)
05/23/2025
5.9kaf
75%
05/15/2025
5.6kaf
90% (Min)
05/13/2025
5.4kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability05/12 to 05/1705/17 to 05/2205/22 to 05/2705/27 to 06/01
10%23.8 kaf28.5 kaf31.2 kaf26.1 kaf
25%23.2 kaf26.1 kaf29.2 kaf24.5 kaf
50%
(Median)
22.5 kaf24.4 kaf27.2 kaf23.1 kaf
75%22.1 kaf23.0 kaf24.6 kaf20.7 kaf
90%21.8 kaf20.9 kaf22.4 kaf19.6 kaf

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ332)
Tonight: Windy. Partly cloudy. Lows in the mid 40s. West winds 20 to 30 mph decreasing to 15 to 20 mph after midnight. Gusts up to 50 mph.

Tuesday: Windy, sunny. Highs 57 to 63. West winds 15 to 20 mph increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph.

Tuesday Night: Windy. Mostly clear. Lows in the lower 40s. West winds 15 to 30 mph with gusts to around 45 mph becoming northwest 5 to 10 mph with gusts to around 25 mph after midnight.

Wednesday: Warmer, sunny. Highs 67 to 73. Northwest winds up to 10 mph shifting to the west with gusts to around 30 mph in the afternoon.

Wednesday Night: Mostly clear. Lows in the upper 40s. West winds 10 to 15 mph with gusts to around 35 mph shifting to the northwest after midnight.

Thursday: Sunny. Highs 74 to 80.

Thursday Night: Mostly clear. Lows in the lower 50s.

Friday and Friday Night: Partly cloudy. Highs 74 to 80. Lows in the mid 50s.

Saturday: Sunny. Highs 70 to 76.

Saturday Night: Partly cloudy. Lows in the upper 40s.

Sunday and Sunday Night: Mostly clear. Highs 66 to 72. Lows in the upper 40s.

Monday: Warmer, sunny. Highs 74 to 80.