Total streamflow across the Frio River was last observed at 17 cfs, and is expected to yield approximately 33 acre-ft of water today; about 106% of normal. Average streamflow for this time of year is 16 cfs, with recent peaks last observed on 2023-05-22 when daily discharge volume was observed at 1,602 cfs.

Maximum discharge along the river is currently at the Frio Rv At Concan reporting a streamflow rate of 16.7 cfs. This is also the highest stage along the Frio River, with a gauge stage of 3.45 ft at this location. This river is monitored from 4 different streamgauging stations along the Frio River, the highest being situated at an altitude of 1,235 ft, the Frio Rv At Concan.