Total streamflow across the Guadalupe River was last observed at 2,379 cfs, and is expected to yield approximately 4,718 acre-ft of water today; about 90% of normal. Average streamflow for this time of year is 2,643 cfs, with recent peaks last observed on 2024-01-27 when daily discharge volume was observed at 74,197 cfs.

Maximum discharge along the river is currently at the Guadalupe Rv Nr Tivoli reporting a streamflow rate of 497 cfs. However, the streamgauge with the highest stage along the river is the Guadalupe Rv At Fm 1117 Nr Seguin with a gauge stage of 11.48 ft. This river is monitored from 18 different streamgauging stations along the Guadalupe River, the highest being situated at an altitude of 1,725 ft, the Guadalupe Rv At Hunt.