Streamflow
Streamflow
Daily mean discharge at basin-representative gauges.
Data through Oct 15, 2026 · updated Oct 16, 2026
Willamette River at Portland streamflow
Daily mean discharge, Willamette-Columbia basin, Oregon
7,720 cfs · Oct 15, 2026
-34% vs 5-yr median
Gunnison River below Gunnison Tunnel streamflow
Daily mean discharge, Gunnison-Colorado basin, Colorado
240 cfs · Oct 15, 2026
-31% vs 5-yr median
Colorado River at Lees Ferry streamflow
Daily mean discharge, Colorado (Compact Point) basin, Arizona
6,580 cfs · Oct 15, 2026
-15% vs 5-yr median
Columbia River at The Dalles streamflow
Daily mean discharge, Columbia basin, Oregon
84,800 cfs · Oct 15, 2026
-9% vs 5-yr median
Sacramento River at Verona streamflow
Daily mean discharge, Sacramento basin, California
8,370 cfs · Oct 15, 2026
-5% vs 5-yr median
Boise River at Glenwood Bridge streamflow
Daily mean discharge, Boise-Snake basin, Idaho
270 cfs · Oct 15, 2026
+8% vs 5-yr median
Rio Grande at Otowi Bridge streamflow
Daily mean discharge, Rio Grande basin, New Mexico
430 cfs · Oct 15, 2026
+8% vs 5-yr median
Snake River above Jackson Lake streamflow
Daily mean discharge, Snake-Columbia basin, Wyoming
284 cfs · Oct 15, 2026
+20% vs 5-yr median
Yampa River near Maybell streamflow
Daily mean discharge, Yampa-Green basin, Colorado
364 cfs · Oct 15, 2026
+27% vs 5-yr median
American River at Fair Oaks streamflow
Daily mean discharge, American-Sacramento basin, California
1,780 cfs · Oct 15, 2026
+29% vs 5-yr median
Colorado River near Cisco streamflow
Daily mean discharge, Colorado (Upper) basin, Utah
5,270 cfs · Oct 15, 2026
+50% vs 5-yr median
Salt River near Roosevelt streamflow
Daily mean discharge, Salt-Gila basin, Arizona
763 cfs · Oct 15, 2026
+200% vs 5-yr median
San Juan River at Farmington streamflow
Daily mean discharge, San Juan-Colorado basin, New Mexico
2,400 cfs · Oct 15, 2026
+274% vs 3-yr median
Every gauge we track is on the water map, and the table under the map lists each one's latest daily flow against its 5-yr median, including the gauges without a page here.