Williamson River below Chiloquin, OR

River level and flood forecast · Klamath County

Normal3.4 ftas of Mon 7:45 PM

The river is 5.6 ft below flood stage (9 ft).

Forecast to hold near 3.4 ft through Sat, Oct 17, 5 AM.

Flow: 519 cubic feet per second (USGS).

The last 7 days and the forecast

24681012TueThuSatMonWedFriAction 8 ftFlood 9 ftModerate 10 ftMajor 11 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 7:30 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage11 ft
Moderate flood stage10 ft
Flood stage9 ft
Action stage8 ft
Record crest (January 5, 1997)10.27 ft

What floods at each level

From the National Weather Service, highest first.

  • 10 ftWidespread 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 ftThe 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 ftThe 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.

Highest crests on record

  1. 10.27 ft — January 5, 1997
  2. 8.61 ft — February 12, 1996

Recent crests: 10.27 ft (January 5, 1997) · 8.61 ft (February 12, 1996)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WMSO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.