Tolt River Flow Today
As of October 22, 2026 at 12:15 AM, the Tolt River is flowing at 115 cfs near Carnation, WA — 34% of normal for the date and down 3% in 24 hours. ❤ Favorite
Tolt River map
See the Tolt River on a live map
Every gauge, dam and paddle run on the river, one tap each:
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Tolt 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 Carnation, the Tolt River is running 115 cfs — 34% of normal, down 3% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 34% of normal).
Flood watch: Carnation is at action stage (4.37 ft). Check NWS before heading out.
High water on the Tolt River
Tolt River Near Carnation is at 4.37 ft — action stage (flood stage 5.0 ft).
How the Tolt 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
- Carnation480 ft 115 cfs34%
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 Tolt River streamgauge, placed by its own percent of normal. The line is the typical gauge (34%).
Tolt River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Tolt River Near Carnation WA
Oct 22, 12:15 AM · USGS 12148500 |
115 cfs | 34% | -3% | 4.37 ft | Action | 480 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.
Dams & reservoirs on the Tolt River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Tolt River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Tolt River
The Tolt River is a 25-mile-long river in King County, Washington, that flows into the Snoqualmie River. It has a rich history, as it was once home to the Snoqualmie Tribe and later used for logging and milling operations. The river is fed by several tributaries and has an average flow of 350 cubic feet per second. The Tolt River is also home to two reservoirs, the Tolt Reservoir and the South Fork Tolt Reservoir, which provide drinking water to the Seattle metropolitan area. The Tolt River is a popular destination for recreational activities such as fishing, boating, and hiking, and its waters also support agriculture in the surrounding areas.
Fishing near the Tolt River
About the Tolt River
How is the Tolt River flowing right now?
As of October 22, 2026, the Tolt River is flowing at 115 cfs near Carnation, WA, about 34% of normal for the date. Every gauge’s live reading is in the table above.
Is the Tolt River running high or low?
The typical gauge on the Tolt River is at 34% 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 Tolt River?
The National Weather Service sets flood stages for Carnation (5.0 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.