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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: Sunny until early afternoon then becoming partly cloudy. Highs in the lower to mid 70s. North winds 10 to 15 mph. Tonight: Mostly clear. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight. Wednesday: Sunny. Highs in the lower 70s to lower 80s. Northeast winds around 5 mph shifting to the south early in the afternoon, then shifting to the west late in the afternoon. Wednesday Night: Mostly clear. Lows in the lower to mid 40s. West winds 5 to 10 mph. Thursday: Sunny. Highs in the lower 70s to lower 80s. Southwest winds around 5 mph shifting to the west 10 to 15 mph late in the afternoon. Thursday Night and Friday: Partly cloudy. Lows in the lower to mid 40s. Highs in the lower 70s to lower 80s. Friday Night through Saturday Night: Mostly clear. Lows in the mid 30s to mid 40s. Highs in the mid 60s to mid 70s. Sunday: Sunny, warmer. Highs in the mid 70s to mid 80s. Sunday Night and Monday: Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the mid 70s to mid 80s. |
| 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. |