Methow HUC8 17020008

A 4,711 km² sub-basin of the Pacific Northwest region in WA. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score

Stressed

Drought index

351

Extreme

Area in D2+

89.83%

0% exceptional (D4)

Gauges below normal

100%

of 6 reporting

Median flow

70%

p10 of record

Water assets

1,674

0 springs · 626 wells

USGS gauges (7)

ANDREWS CREEK NEAR MAZAMA, WA
124473903 cfsp9 · much below normal
CHEWUCH RIVER AT WINTHROP, WA
1244800062 cfsp9 · much below normal
METHOW RIVER AT WINTHROP, WA
12448500206 cfsp10 · below normal
METHOW RIVER NEAR PATEROS, WA
12449950317 cfsp10 · below normal
METHOW RIVER AT TWISP, WA
12449500263 cfsp19 · below normal
TWISP RIVER NEAR TWISP, WA
1244899843 cfsp19 · below normal
METHOW RIVER ABOVE GOAT CREEK NEAR MAZAMA, WA
124473830 cfsno long-term record

Recent conditions

Date	DSCI	D2+ %	Gauges low	Flow pct
2026-10-20	351	89.83	6/6	p10
2026-10-19	351	89.83	6/6	p10
2026-10-18	351	89.83	6/6	p11
2026-10-17	351	89.83	6/6	p12
2026-10-16	351	89.83	6/6	p13
2026-10-15	351	89.83	6/6	p12
2026-10-14	351	89.83	6/6	p15
2026-10-13	351	89.83	6/6	p13
2026-10-12	351	89.83	6/6	p16
2026-10-11	351	89.83	6/6	p18
2026-10-10	351	89.83	5/6	p18
2026-10-09	351	89.83	5/6	p16
2026-10-08	351	89.83	5/6	p16
2026-10-07	351	89.83	5/6	p18

Top water assets

View on the map All Pacific Northwest sub-basins