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| Latitude: 37.63º N | Longitude: 120.99º W | Elevation: 60 Feet | |||
| Location: Stanislaus County in California | Bulletin Group: San Joaquin | River Group: San Joaquin | |||
| Action/Monitor: 50.5 Feet | Minor Flood: 55.0 Feet | Moderate Flood: 66.0 Feet | Major Flood: 67.0 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
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Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months. |
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Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
| 2025* | 1,420 | 40.56 | Mar 19, 2025 |
| 2024* | 5,750 | 48.86 | Mar 3, 2024 |
| 2023* | 10,800 | 54.79 | Mar 31, 2023 |
| 2022* | 1,710 | 41.32 | Apr 17, 2022 |
| 2021* | 2,220 | 42.45 | Apr 16, 2021 |
| Historical High Stage/Flow Events (Period of Record - February 1895 to Present)** - Ranked by Flow | |||
| 1951* | 57,000 | 69.19 | Dec 9, 1950 |
| 1997* | 55,800 | 71.21*** | Jan 4, 1997 |
| 1956* | 37,600 | 66.43 | Dec 25, 1955 |
| 1969* | 32,600 | 65.42 | Jan 27, 1969 |
| 1895 | 19,600 | 20.70 | Feb 13, 1895 |
| 1940* | 18,200 | 63.10 | Mar 27, 1940 |
| * Discharge affected to unknown degree by regulation or diversion ** Most recent continuous record back to 1943 with segmented periods back to Feb 1895 *** Backwater effect caused by debris on railroad trestle 1500 ft downstream of gage |
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| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 67.0 Feet | Extensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial and commercial development in Modesto downstream of gage. |
| 55.0 Feet | This is channel capacity through downtown Modesto. |
| Official 7 Day National Weather Service Forecast (CAZ019) |
| Today: Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs 52 to 58. Southeast winds 10 to 15 mph with gusts to around 30 mph. Tonight: Mostly cloudy with a chance of rain in the evening, then partly cloudy with a slight chance of rain after midnight. Patchy dense fog after midnight. Lows around 45. Southeast winds 10 to 15 mph with gusts to around 25 mph. Tuesday: Mostly sunny. Highs 54 to 59. East winds up to 10 mph in the morning becoming light. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 41 to 47. Light winds. Wednesday: Mostly cloudy. Patchy fog. Highs 51 to 56. Northwest winds up to 10 mph. Wednesday Night: Partly cloudy. Lows 37 to 43. Thursday: Mostly sunny. Highs around 50. Thursday Night and Friday: Mostly clear. Lows around 37. Highs around 50. Friday Night through Sunday: Mostly clear. Patchy fog. Lows around 38. Highs 49 to 55. |
| 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. |
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