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| Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | |||
| Location: Mariposa County in California | Bulletin Group: San Joaquin | River Group: San Joaquin | |||
| Action/Monitor: N/A | Minor Flood: 10.0 Feet | Moderate Flood: 12.5 Feet | Major Flood: 20.0 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Mean Daily Stage/Flow Data |
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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 |
| 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. |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Tonight: Rain and snow early in the evening, then rain and snow likely in the late evening and early morning. Chance of rain and snow late in the night. Snow accumulation up to 1 inch. Total snow accumulation up to 5 inches. Snow level 5300 feet. Lows 27 to 35. Northwest winds up to 5 mph. Chance of precipitation 80 percent. Tuesday: Mostly sunny. Chance of snow and slight chance of rain in the morning, then slight chance of rain in the afternoon. Highs 41 to 51. Northwest winds up to 5 mph shifting to the southwest in the afternoon. Chance of precipitation 30 percent. Tuesday Night: Partly cloudy. Lows 28 to 36. Northeast winds up to 5 mph. Wednesday: Mostly sunny. Highs 42 to 52. East winds up to 5 mph shifting to the west in the afternoon. Wednesday Night: Mostly cloudy. Lows 30 to 38. East winds up to 5 mph. Thursday: Chance of rain and snow in the morning, then rain and snow likely in the afternoon. Highs 38 to 48. Chance of precipitation 70 percent. Thursday Night: Mostly cloudy with a 50 percent chance of rain and snow. Lows 29 to 37. Friday and Friday Night: Partly cloudy. Highs 42 to 52. Lows 31 to 39. Saturday through Sunday: Mostly clear. Highs 48 to 61. Lows 34 to 42. Sunday Night and Monday: Partly cloudy. Lows 35 to 43. Highs 51 to 61. |
| 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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