Blanco River at Fischer Store Rd near Fischer, TX

River level and flood forecast · Hays County

Normal3.6 ftas of Mon 3:45 PM

The river is 13.4 ft below flood stage (17 ft).

Flow: 12 cubic feet per second (USGS).

The last 7 days and the forecast

051015202530TueWedThuFriSatSunMonAction 12 ftFlood 17 ftModerate 23 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage38 ft
Moderate flood stage23 ft
Flood stage17 ft
Action stage12 ft
Record crest (May 8, 2019)20.38 ft

What floods at each level

From the National Weather Service, highest first.

  • 50 ftTop of staff gauge located on USGS shelter. Water several feet over bridge.
  • 45 ftTop of gaurdrail on brige approach at USGS gauge shelter.
  • 43 ftTop of FM32 bridge.
  • 41 ftBridge floor. Bottom of staff gauge on USGS gauge shelter.
  • 38 ftWater begins to enter highest homes along the river bank.
  • 23 ftLowest homes are threatened. Water begins to cut off secondary roadways near the river.
  • 17 ftRoadways and low bridges along the river are flooded. Vehicles cannot pass. Livestock can be stranded.
  • 12 ftOverbank conditions may cut off livestock in low areas.

Highest crests on record

  1. 20.38 ft — May 8, 2019
  2. 14.02 ft — October 14, 2021
  3. 11.72 ft — May 25, 2020
  4. 11.69 ft — June 2, 2016
  5. 10.71 ft — April 11, 2017

Recent crests: 3.71 ft (February 3, 2022) · 14.02 ft (October 14, 2021) · 11.72 ft (May 25, 2020) · 20.38 ft (May 8, 2019) · 6.64 ft (September 9, 2018)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BFST2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.