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| Latitude: 35.63º N | Longitude: 120.69º W | Elevation: 700 Feet | |
| Location: San Luis Obispo County in California | River Group: Central Coast | ||
| Monitor Stage: 23.0 Feet | Flood Stage: 29.0 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2025 |
4,240 |
20.91 |
Feb 13, 2025 |
2024 |
6,900 |
22.95 |
Feb 19, 2024 |
2023 |
25,600 |
32.24 |
Jan 9, 2023 |
2022 |
3,130 |
19.62 |
Dec 23, 2021 |
2021 |
1,890 |
18.30 |
Jan 29, 2021 |
| Historical High Stage/Flow Events (Period of Record - Oct 1939-Sep 1965 and Oct 1969 to present) - Ranked by Flow | |||
1995 |
28,400 |
22.99 |
Mar 10, 1995 |
1969* |
28,000 |
23.80 |
Jan 25, 1969
|
2023 |
25,600 |
32.24 |
Jan 9, 2023 |
1980 |
18,500 |
15.99 |
Feb 16, 1980 |
| 2005 |
17,400 |
17.73 |
Dec 31, 2004 |
| 1983 |
16,400 |
15.90 |
Dec 22, 1982 |
| * Occurred outside period of record | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ343) |
| Tonight: Clear in the evening then partly cloudy. Lows in the upper 30s to mid 40s except the upper 40s to mid 50s warmer hills. Thursday: Partly cloudy in the morning then mostly cloudy. Highs in the upper 60s to mid 70s. South winds around 15 mph in the afternoon. Thursday Night: Mostly cloudy. A 40 percent chance of showers after midnight. Lows in the mid 40s to lower 50s. South winds around 15 mph in the evening. Friday: A chance of showers in the morning, then rain likely in the afternoon. Highs in the mid 60s to around 70. Southwest winds 15 to 25 mph with gusts to 35 mph in the afternoon. Chance of precipitation 70 percent. Friday Night: Rain in the evening, becoming partly cloudy with a slight chance of showers after midnight. Lows in the mid to upper 40s. Southwest winds 15 to 25 mph in the evening. Saturday: Partly cloudy in the morning then sunny. Highs in the lower to mid 60s. Saturday Night: Mostly clear. Lows in the mid 30s to mid 40s. Sunday: Partly cloudy in the morning then mostly cloudy. Highs in the lower to mid 60s. Sunday Night: Mostly cloudy. A 50 percent chance of rain after midnight. Lows in the mid 40s. Monday: Rain likely in the morning, then a chance of rain in the afternoon. Highs around 60. Chance of precipitation 70 percent. Monday Night: Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Lows around 40. Chance of precipitation 40 percent. Tuesday: Partly cloudy. Highs around 60. Tuesday Night: Mostly clear. Lows around 40. Wednesday: Partly cloudy with a slight chance of rain in the morning, becoming mostly cloudy with a chance of rain in the afternoon. Highs around 60. Chance of precipitation 50 percent. |
| Flood Impacts | |
| 31.0 Feet | Flooding along reach of river including in and around paso robles. Flooding threatens paso robles wastewater treatment plant and downtown. |
| 29.0 Feet | Flooding in and around atascadero. Backs up atascadero creek into river gardens neighborhood, floods highway 41. Erosion threats along entire reach, threatens homes on banks, agricultural land, low-lying areas south of highway 41 bridge. |
| 23.0 Feet | Halcon Road near Atascadero floods and washes out. |
| 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 Los Angeles-Oxnard 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. |
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