Sauk River Flow Today
As of October 2, 2026 at 1:00 AM, the Sauk River is flowing at 1,140 cfs near Sauk, WA — 95% of normal for the date and down 26% in 24 hours. 3 of 4 USGS gauges reported in the last 3 days; flows range from 135 to 1,140 cfs. ❤ Favorite
Sauk River map
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Sauk River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Sauk, the Sauk River is running 1,140 cfs — 95% of normal, down 26% since yesterday. Along the river, 2 of 3 reporting gauges are below normal (the typical gauge is at 84% of normal).
In the last 24 hours the river is dropping at Darrington (-31%) and Sauk (-26%).
Highest against normal: Sauk at 95%. Lowest: St. Cloud at 41%.
How the Sauk River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- St. Cloud1,024 ft 135 cfs41%
- Darrington974 ft 232 cfs84%
- Sauk272 ft 1,140 cfs95%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Sauk River streamgauge, placed by its own percent of normal. The line is the typical gauge (84%).
Sauk River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Sauk River Near St. Cloud MN
Oct 2, 2:00 AM · USGS 05270500 |
135 cfs | 41% | 0% | 1.55 ft | 4.5 ft below | 1,024 ft |
|
Sauk River Above Whitechuck River Near Darrington WA
Oct 2, 12:15 AM · USGS 12186000 |
232 cfs | 84% | -31% | 2.65 ft | · | 974 ft |
|
Sauk River At Darrington WA
Last reported Nov 1 · USGS 12187500 |
5,220 cfs | · | · | 8.24 ft | · | 545 ft |
|
Sauk River Near Sauk WA
Oct 2, 1:00 AM · USGS 12189500 |
1,140 cfs | 95% | -26% | 2.96 ft | · | 272 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Sauk River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Sauk River
The Sauk River is located in western Washington and begins in the Cascade Mountains and flows into the Skagit River. The river is approximately 45 miles long and has a rich history dating back to the indigenous Snohomish and Sauk-Suiattle tribes. Hydrologically, the river is known for its high water flow and frequent flooding. The river has several dams and reservoirs, including the Culmback Dam and Reservoir, which is used for flood control and hydroelectric power generation. The river is popular for recreational activities such as fishing, kayaking, and hiking. The Sauk River also plays a significant role in agriculture, providing irrigation water for local farms and orchards.
Fishing near the Sauk River
About the Sauk River
How is the Sauk River flowing right now?
As of October 2, 2026, the Sauk River is flowing at 1,140 cfs near Sauk, WA, about 95% of normal for the date. Across its 4 USGS gauges, current flows range from 135 to 1,140 cfs. Every gauge’s live reading is in the table above.
Is the Sauk River running high or low?
The typical gauge on the Sauk River is at 84% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Sauk River?
The National Weather Service sets flood stages for St. Cloud (6.0 ft), . The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.