South Fork Skykomish River at Skykomish, WA

USGS Site No: 12131500 • South Fork Skykomish River • King County, WA

South Fork Skykomish River at Skykomish, WA on the South Fork Skykomish River is currently at 1,630 cfs (Normal — 59th percentile for this date) . Gage height: 19.11 ft.

Reading from

1,630
CFS Discharge
19.11
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 206
25th Low threshold 577
50th (Median) Normal (median) 1,400
75th High threshold 2,070 Today: 1,630 cfs
95th Very High threshold 0

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

3.7k 1.8k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 1,250 —
May 27, 2026 1,170 —
May 26, 2026 1,260 —
May 25, 2026 1,350 —
May 24, 2026 1,410 —
May 23, 2026 1,410 —
May 22, 2026 1,390 —
May 21, 2026 1,380 —
May 20, 2026 1,390 —
May 19, 2026 1,440 —
May 18, 2026 1,560 —
May 17, 2026 1,760 —
May 16, 2026 2,010 —
May 15, 2026 2,190 —
Apr 20, 2026 1,550 —
Apr 19, 2026 1,410 —
Apr 18, 2026 1,430 —
Apr 17, 2026 1,490 —
Apr 16, 2026 1,600 —
Apr 15, 2026 1,860 —
Apr 14, 2026 1,830 —
Apr 13, 2026 1,810 —
Apr 12, 2026 1,710 —
Apr 11, 2026 1,750 —
Apr 10, 2026 1,720 —
Apr 9, 2026 1,720 —
Apr 8, 2026 1,810 —
Apr 7, 2026 1,980 —
Apr 6, 2026 1,720 —
Apr 5, 2026 1,470 —

Station Information

USGS Site No
12131500
State
WA
County
King County
Coordinates
47.7110, -121.3607
Drainage Area
243 mi²
Datum (ft)
900.0
HUC Code
17110009
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
26.0 ft
Flood Stage
27.5 ft
Moderate Flood
29.0 ft
Major Flood
30.0 ft

Currently 8.39 ft below flood stage.

Recent Extremes

Max discharge
23,100 cfs
Dec 10, 2025
Min discharge
159 cfs
Sep 28, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges