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| Latitude: 42.57º N | Longitude: 121.88º W | Elevation: 4149 Feet | |
| Location: Klamath County in Oregon | River Group: North Coast | ||
| Monitor Stage: 8.0 Feet | Flood Stage: 9.0 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 |
4,960 |
7.18 |
Apr 1, 2025 |
2024 |
1,860 |
5.01 |
Apr 21, 2024 |
2023 |
3,630 |
6.32 |
Apr 16, 2023 |
2022 |
1,040 |
4.16 |
Jan 9, 2022 |
2021 |
670 |
3.68 |
Apr 28, 2021 |
| Historical High Stage/Flow Events (Period of Record - April 1917 to Present) - Ranked by Flow | |||
1997 |
17,100 |
10.27 |
Jan 5, 1997 |
| 1964 |
16,100 |
10.56 |
Feb 26, 1964
|
| 1982 |
10,200 |
8.45 |
Feb 24, 1982 |
| 1970 |
8,010 |
7.53 |
Feb 27, 1970
|
| 1943 |
7,660 |
7.29 |
Apr 1, 1943
|
| 1938 |
7,620 |
7.27 |
Apr 22, 1938
|
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (ORZ029) |
| Today: Mostly cloudy then becoming partly cloudy early This Afternoon then becoming mostly cloudy. Isolated thunderstorms late This Afternoon. Highs in the lower 80s to lower 90s. Light winds becoming west 5 to 10 mph in the late morning and afternoon. Tonight: Partly cloudy. Isolated thunderstorms in the evening. Lows in the lower to mid 50s. Northwest winds 5 to 10 mph shifting to the northeast well after midnight. Chance of thunderstorms 10 percent. Monday: Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the lower to mid 80s. Light winds becoming south around 5 mph in the late morning and early afternoon, then shifting to the west late in the afternoon. Monday Night: Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows in the mid 40s to mid 50s. Northwest winds 5 to 10 mph. Tuesday: Sunny. Highs in the lower to mid 80s. Light winds becoming southwest 5 to 10 mph in the afternoon. Tuesday Night: Mostly clear. Lows in the mid 40s to mid 50s. Wednesday through Friday: Clear. Highs in the lower 80s to lower 90s. Lows in the mid 40s to mid 50s. Friday Night and Saturday: Mostly clear. Lows in the mid 40s to mid 50s. Highs in the lower 80s to lower 90s. |
| Flood Impacts | |
| 10.0 Feet | Widespread flooding is occurring along the Williamson River from the Highway 97 bridge downstream to Upper Klamath Lake. Widespread farm land flooding is occurring. Numerous structures are flooded. |
| 9.0 Feet | The Williamson River is at flood stage. Water exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river. |
| 8.0 Feet | The Williamson River is near bankfull stage. Water is nearing many structures along and enar the river. Water is close to structures at the Water Wheel Campground near Highway 97. |
| 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 Medford 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. |