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| Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | |
| Location: Mariposa County in California | River Group: San Joaquin | ||
| Monitor Stage: N/A | Flood Stage: 10.0 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 | 3,430 | 7.28 | May 11, 2025 |
| 2024 | 5,090 | 8.79 | May 16, 2024 |
| 2023 | 9,520 | 12.08 | May 22, 2023 |
| 2022 | 4,810 | 8.55 | Oct 25 2021 |
| 2021 | 2,160 | 5.92 | May 6, 2021 |
| Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present) - Ranked by Flow | |||
| 1997 | 24,600 | 23.43 | Jan 03, 1997 |
| 1956 | 23,400 | 21.52 | Dec 23, 1955 |
| 1951 | 23,000 | 19.98 | Nov 19, 1950 |
| 1938 | 22,000 | 19.10 | Dec 11, 1937 |
| 1965 | 18,000 | 16.96 | Dec 23, 1964 |
| 1963 | 13,200 | 14.25 | Feb 01, 1963 |
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Tonight: Rain showers and snow showers in the evening. Slight chance of thunderstorms through the night. Rain showers and snow showers likely after midnight. Some thunderstorms may produce heavy rainfall. Snow accumulation up to 6 inches. Total snow accumulation up to 11 inches. Snow level 5500 feet. Near steady temperature in the mid 30s. South winds up to 10 mph. Chance of precipitation near 100 percent. Monday: Partly sunny with a 40 percent chance of rain and snow. Highs 37 to 45. South winds up to 10 mph shifting to the southwest in the afternoon. Monday Night: Mostly cloudy with a 40 percent chance of snow and rain. Lows 25 to 35. East winds up to 10 mph. Tuesday: Sunny. Highs 41 to 49. East winds up to 5 mph shifting to the west in the afternoon. Tuesday Night: Partly cloudy. Lows 26 to 36. East winds up to 5 mph. Wednesday: Partly sunny. Highs 40 to 48. Wednesday Night: Partly cloudy. Lows 23 to 31. Thursday through Friday Night: Mostly clear. Highs 40 to 52. Lows 25 to 38. Saturday through Sunday: Mostly clear. Highs 48 to 57. Lows 32 to 42. |
| Flood Impacts | |
| 23.45 Feet | Flood of record...1/3/97. $178 million damage to Yosemite Valley. |
| 13.6 Feet | Lift stations at Housekeeping Camp and Yosemite Creek flooded. Southside Drive at Chapel Meadow impassable. |
| 12.5 Feet | Northside Drive at Wosky Pond, El Capitan crossover, and Sentinel crossover are impassable to vehicles. |
| 12.0 Feet | Water on road at Northside Drive, Southside Drive, El Capitan crossover, Sentinel crossover, and Highway 140 near Cookie Cliff. |
| 11.4 Feet | Water begins to overtop road curbs on Northside Drive. Swinging Bridge overtops. |
| 10.0 Feet | Merced River at Pohono Bridge begins to rise out of its banks. Flood Stage. |
| 9.5 Feet | Lower Pines and Housekeeping Camp begin flooding. |
| 7.0 Feet | RIVER IS CLOSED TO RAFTERS AND FLOATATION DEVICES. |
| 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 San Joaquin Valley-Hanford 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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