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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. A 30 percent chance of rain This Morning. Highs in the lower to mid 50s. West winds 5 to 10 mph shifting to the northwest late This Afternoon. Tonight: Mostly cloudy. Lows in the mid 20s to mid 30s. North winds around 5 mph shifting to the southeast after midnight. Monday: Mostly cloudy with a 30 percent chance of rain. Highs in the lower to mid 50s. South winds 5 to 10 mph shifting to the southwest late in the afternoon. Monday Night: Partly cloudy. A 10 percent chance of rain in the evening. Lows in the lower to mid 30s. South winds 5 to 10 mph shifting to the southeast well after midnight. Tuesday: Partly cloudy. Highs in the mid 50s to lower 60s. Southeast winds around 5 mph. Tuesday Night through Wednesday Night: Partly cloudy. Lows in the lower to mid 30s. Highs in the mid 50s to mid 60s. Thursday: Mostly cloudy. Highs in the mid 50s to lower 60s. Thursday Night: Mostly cloudy in the evening, then partly cloudy with a slight chance of rain and light freezing rain after midnight. Lows in the lower to mid 30s. Friday: Partly cloudy in the morning then becoming mostly cloudy. Chance of rain. Highs in the mid 40s to mid 50s. Friday Night and Saturday: Mostly cloudy with a chance of rain. Lows in the lower to mid 30s. Highs in the mid 40s to mid 50s. |
| 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. |