South Fork San Gabriel River at SH 1869 near Liberty Hill, TX

River level and flood forecast · Williamson County

Normal4.3 ftas of Mon 3:50 PM

The last 7 days and the forecast

3.944.14.24.34.44.5TueWedThuFriSatSunMonNowObserved (ft)NWS forecast

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

Highest crests on record

  1. 33.11 ft — July 5, 2025

Recent crests: 33.11 ft (July 5, 2025)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LHGT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.