| ||||||||||||||||||
| CALLEGUAS CREEK - CSU CHANNEL ISLANDS (CLLC1) | ||||||||||||||||||
| Latitude: 34.18º N | Longitude: 119.04º W | Elevation: 70 Feet | ||||||||||||||||
| Location: Ventura County in CA | ||||||||||||||||||
| River Group: Southern California | ||||||||||||||||||
| Issuance Time: | Dec 31 2025 at 7:35 AM PST |
| 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. |
| Monthly Probability Plot |
| Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Dec 31 2025 at 7:46 AM PST | ||||||
| Prob | Dec* | Jan | Feb | Mar | Apr | May |
| 10% | 18.6 | 49.9 | 44.7 | 28.7 | 3.9 | 2.6 |
| 25% | 16.7 | 33.4 | 21.1 | 13.0 | 3.4 | 1.9 |
| 50% | 16.0 | 19.1 | 6.8 | 4.2 | 1.1 | 0.8 |
| 75% | 15.4 | 11.6 | 0.9 | 1.2 | 0.7 | 0.6 |
| 90% | 15.1 | 7.8 | 0.6 | 0.8 | 0.6 | 0.5 |
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jun | Jul | Aug | Sep | Oct | Nov |
| 10% | 2.3 | 2.2 | 2.2 | 2.1 | 3.3 | 4.0 |
| 25% | 1.6 | 1.6 | 1.5 | 1.5 | 2.1 | 2.1 |
| 50% | 0.6 | 0.6 | 0.6 | 0.6 | 0.9 | 1.3 |
| 75% | 0.5 | 0.5 | 0.4 | 0.4 | 0.6 | 0.7 |
| 90% | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 |
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) | ||||||
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. | ||||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ355) |
| Today: Rain with a chance of thunderstorms in the morning, then a slight chance of rain in the afternoon. Highs in the lower 60s. Southeast winds around 15 mph in the morning. Tonight: Mostly cloudy. Lows in the upper 40s. Friday: Mostly cloudy. Highs in the mid 60s. Southeast winds around 15 mph in the afternoon. Friday Night: Cloudy. A 30 percent chance of rain after midnight. Lows in the mid 50s. Saturday: A chance of rain in the morning, then rain in the afternoon. Highs in the lower 60s. Southeast winds around 15 mph. Saturday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the lower 50s. Sunday: A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 60s. Chance of precipitation 70 percent. Sunday Night: Rain likely in the evening, then a chance of rain after midnight. Lows around 50. Chance of precipitation 70 percent. Monday: Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs around 60. Chance of precipitation 40 percent. Monday Night: Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s. Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs around 60. Tuesday Night: Mostly cloudy with a 30 percent chance of rain. Lows in the mid 40s. Wednesday: Mostly cloudy with a 20 percent chance of rain. Highs in the lower 60s. |
| Flood Impacts | |
| 9.9 Feet | Flooding of Lewis Road, california state university at channel islands Entrance Road bridge is flooded, flooding at point mugu naval air station, flooding of las Posas Road, Laguna Road, and highway 1 |
| 9.0 Feet | Flooding of Lewis Road, starts flooding bridge at california state university at channel islands entrance, flooding of casa pacifica property, flooding at point mugu naval air station's south entrance |
| 7.9 Feet | Callegus creek can break out at the confluence with conejo creek. Point mugu naval air station needs to consider deploying flood protection measures. |