| ||||||||||||||||||
| WILLIAMSON RIVER - CHILOQUIN (WMSO3) | ||||||||||||||||||
| Latitude: 42.57º N | Longitude: 121.88º W | Elevation: 4149 Feet | ||||||||||||||||
| Location: Klamath County in OR | ||||||||||||||||||
| River Group: North Coast | ||||||||||||||||||
| Issuance Time: | Jun 05 2025 at 8:23 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. Flow data on this product are unregulated / full natural flow. |
| Monthly Probability Plot |
| Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Jun 05 2025 at 8:27 AM PDT | ||||||
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 67.0 | 48.9 | 41.9 | 43.3 | 49.8 | 42.0 |
| 25% | 66.5 | 48.4 | 41.3 | 42.5 | 48.7 | 34.9 |
| 50% | 66.0 | 48.1 | 40.9 | 42.0 | 47.9 | 32.6 |
| 75% | 65.7 | 47.9 | 40.8 | 41.6 | 47.5 | 32.1 |
| 90% | 65.5 | 47.8 | 40.7 | 41.5 | 47.2 | 31.8 |
| Mean | 51.1 | 32.9 | 29.0 | 30.4 | 36.4 | 40.4 |
| %Mean | 129.2 | 146.2 | 141.0 | 138.2 | 131.6 | 80.7 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 61.7 | 75.2 | 121.9 | 146.5 | 169.1 | 250.6 |
| 25% | 33.5 | 51.6 | 77.3 | 120.4 | 139.7 | 181.6 |
| 50% | 23.2 | 34.9 | 44.9 | 63.4 | 94.5 | 114.5 |
| 75% | 21.0 | 30.3 | 37.5 | 47.1 | 65.1 | 78.7 |
| 90% | 20.1 | 28.0 | 34.2 | 36.5 | 50.4 | 68.8 |
| Mean | 49.9 | 59.2 | 65.4 | 97.0 | 101.0 | 89.1 |
| %Mean | 46.5 | 59.0 | 68.7 | 65.4 | 93.6 | 128.5 |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) | ||||||
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. | ||||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (ORZ029) |
| Tonight: Clear. Lows in the mid 40s to lower 50s. North winds 5 to 10 mph. Friday: Sunny. Highs in the lower to mid 80s. North winds 5 to 10 mph shifting to the southwest in the afternoon. Friday Night: Mostly clear. Lows in the lower to mid 50s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight. Saturday: Sunny. Highs in the mid 80s to lower 90s. North winds around 5 mph shifting to the east late in the morning, then shifting to the southwest in the afternoon. Saturday Night: Clear. Lows in the lower to mid 50s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight. Sunday: Sunny. Highs in the mid 80s to lower 90s. Sunday Night: Partly cloudy. Slight chance of thunderstorms in the evening. Lows in the mid 50s to lower 60s. Monday and Monday Night: Partly cloudy with a slight chance of thunderstorms. Highs in the mid 80s to lower 90s. Lows in the lower 50s to lower 60s. Tuesday and Tuesday Night: Mostly clear. Highs in the lower to mid 80s. Lows in the lower 50s to lower 60s. Wednesday and Wednesday Night: Mostly clear. Highs in the mid 70s to lower 80s. Lows in the lower 40s to lower 50s. Thursday: Sunny. Highs in the lower to mid 70s. |
| 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. |