San Marcos River at San Marcos, TX
River level and flood forecast · Hays County
Normal3.7 ftas of Mon 1:45 PM
Flow: 88 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 21.29 ft — October 17, 1998
- 10.77 ft — July 8, 2002
Recent crests: 10.77 ft (July 8, 2002) · 21.29 ft (October 17, 1998)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SRUT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.