University of Washington

Current Conditions for the American River Group (ARG)

Flow and Water Temperature

line plot of water temperature and flow in American River
Figure. Current Water Year American River flow and water temperatures (daily) since October 1, 2025. Data from NAT, AFO, AWB stations retrieved daily from CDEC. Figure generated by SacPAS including temperature threshold reference lines.
Water Year 2027 Lower American River Water Temperature and Flow Data Table
Date Lake Natoma (Nimbus Dam) (NAT)
Reservoir Outflow (CFS)		 American R at Fair Oaks (AFO)
Water Temperature (°F)		 American R blw Watt Ave Bridge (AWB)
Water Temperature (°F)
2026-10-10 1821.58 63.9 65.5
2026-10-09 1809.29 64.7 67.2
2026-10-08 1798.17 64.8 67.3
2026-10-07 1802.13 64.8 67.4
2026-10-06 1820.42 64.7 67.3
2026-10-05 1809.63 64.8 67.4
2026-10-04 1836.08 65.1 67.3
2026-10-03 1822.83 65.2 67.7
2026-10-02 1810.17 65.2 67.4
2026-10-01 1832.29 65.2 67.4

Data Notes

Content on this page is updated daily and includes the most up-to-date datasets contained in the SacPAS database.

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