Dreamflows Latest Flows Report
May 12, 2026 @ 5:25pm PDT
All States

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This flow information reflects conditions only at the time measurements were taken.  Flows marked "est" or "rough" are estimates based on other flow values, and may therefore be wildly inaccurate (see Estimate Information).  In addition, release changes, rainfall or snowmelt can cause dramatic changes to all flows.  Therefore, actual flows may differ significantly from the ones listed here.

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Section Index

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Arizona Rivers
California North Coast
California Central/South Coast
California Sacramento Valley
California West Sierra - Northern
California West Sierra - Southern
California East Sierra
Colorado Rivers
Idaho Rivers
Montana Rivers
Nevada Rivers
New Mexico Rivers
Oregon Coastal Rivers
Oregon Central Rivers
Oregon Eastern Rivers
Utah Rivers
Washington Rivers
Wyoming Rivers
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Estimate Information
Helpful Dreamflows Links
Other Dreamflows Reports
Download Tom Saffell's California River Map
Dreamflows created and maintained as a free service by Chris Shackleton, Sacramento, CA, U.S.A.
Flow Data Format:
RiverName - GaugeLocation WeatherIcon BBS
Date; Time; Flow; Gauge; Comments

Montana Rivers

No. Blackfoot - Near Ovando   
May 12; 12:00pm; 1,940 cfs; n/a

Blackfoot - Near Bonner   
May 12; 12:00pm; 5,830 cfs; n/a; Water 52°F

Clark Fork - At St. Regis     2008
May 12; 12:00pm; 20,900 cfs; n/a

Prospect Creek - At Thompson Falls   
May 12; 12:00pm; 478 cfs; n/a

No. Flathead - Near Columbia Falls   
May 12; 12:00pm; 12,000 cfs; n/a; Water 45°F

Mi. Flathead - Near West Glacier   
May 12; 12:00pm; 11,900 cfs; n/a; Buy the Guidebook

So. Flathead - Above Hungry Horse Res   
May 12; 12:00pm; 12,000 cfs; n/a

Swan - Near Bigfork   
May 12; 12:00pm; 2,910 cfs; n/a

Flathead - Near Polson   
May 12; 12:00pm; 32,000 cfs; n/a; Water 54°F

Kootenai - Below Libby Dam   
May 12; 12:00pm; 10,300 cfs; n/a

Yaak - Near Troy   
May 12; 12:00pm; 2,190 cfs; n/a

Big Hole - Near Glen   
May 12; 12:00pm; 2,480 cfs; n/a; Rising 24 cfs/hr

Madison - Below Hebgen Lake   
May 12; 12:00pm; 424 cfs; n/a; Water 48°F

Madison - Below Ennis Lake   
May 12; 10:00am; 1,440 cfs; n/a; Water 58°F

Gallatin - Near Gallatin Gateway   
May 12; 12:00pm; 1,630 cfs; n/a

Smith - Below Eagle Creek   
May 12; 12:00pm; 412 cfs; n/a; Water 52°F

Belt Creek - Near Monarch   
May 12; 12:00pm; 294 cfs; n/a

Yellowstone - At Corwin Springs   
May 12; 12:00pm; 7,900 cfs; n/a; Water 46°F

Yellowstone - Near Livingston   
May 12; 12:00pm; 9,130 cfs; n/a; Water 50°F

Boulder - At Big Timber   
May 12; 12:00pm; 1,250 cfs; n/a

Stillwater - Near Absarokee   
May 12; 12:00pm; 1,060 cfs; n/a; Water 53°F

West Rosebud Cr - At Emerald Lake CG   
May 12; 12:00pm; 102 cfs; n/a; Water 48°F

Rock Creek - Near Red Lodge   
May 12; 12:00pm; 150 cfs; n/a

CF Yellowstone - Near Belfry   
May 12; 12:00pm; 3,200 cfs; n/a

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