Total streamflow across the Shasta River was last observed at 426 cfs, and is expected to yield approximately 845 acre-ft of water today; about 58% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 730 cfs, with recent peaks last observed on 2024-12-31 when daily discharge volume was observed at 1,266 cfs.

Maximum discharge along the river is currently at the Shasta R Nr Yreka Ca reporting a streamflow rate of 236 cfs. This is also the highest stage along the Shasta River, with a gauge stage of 3.73 ft at this location. This river is monitored from 2 different streamgauging stations along the Shasta River, the highest being situated at an altitude of 2,462 ft, the Shasta R Nr Montague Ca.