Rivermatics

USGS Streamgage 13310199

MF Salmon River at Mouth near Shoup, ID

MF Salmon River at Mouth near Shoup, ID is USGS streamgage 13310199 in Idaho, monitoring river discharge in hydrologic subbasin 17060206. It sits on the Mf Salmon River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 2,876 square miles. Discharge records at this site go back to 1993. Typical flow runs near 2,515.5 cfs in July and 3,088 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Idaho
Drainage area
2,876 sq mi
Subbasin (HUC-8)
17060206
Coordinates
45.29361, -114.59639
USGS site number
13310199
Records begin
1993-10-01 (33 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for MF Salmon River at Mouth near Shoup, ID. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
1,143 1,184 1,213
1,104 1,155 1,193
1,075 1,132 1,176
1,054 1,113 1,158
1,032 1,093 1,140
1,023 1,086 1,142
1,013 1,079 1,134
1,002 1,071 1,130
990 1,061 1,125
976 1,051 1,120
965 1,043 1,115
955 1,035 1,111
945 1,028 1,108
935 1,020 1,105

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 33 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 684.9 945.1 1,342.6
February 728.2 943.3 1,483.2
March 876.4 1,225.9 2,241.6
April 1,554 3,088 5,933.7
May 4,487.1 8,304.2 16,559
June 3,609.3 7,713 16,111
July 1,394.5 2,515.5 5,161.9
August 967.7 1,442.6 1,998.7
September 849.4 1,170 1,507
October 873.3 1,138.7 1,514.2
November 809.1 1,107.8 1,529.7
December 683.5 967.3 1,568.4

All values in cubic feet per second (cfs).

Common questions

When does MF Salmon River at Mouth near Shoup, ID normally run highest?
May, on the long-term record. The median daily flow that month is about 8,304.2 cfs, against 943.3 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for MF Salmon River at Mouth near Shoup, ID?
It depends on the month. In January, half of days historically fall near 945.1 cfs, with the middle 80% of days between 684.9 and 1,342.6 cfs. The month-by-month table on this page gives the full range.
How long has MF Salmon River at Mouth near Shoup, ID been measured?
Discharge records at USGS site 13310199 begin in 1993, about 33 years, covering roughly 9,194 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for MF Salmon River at Mouth near Shoup, ID?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is MF Salmon River at Mouth near Shoup, ID?
The gauge sits at 45.29361, -114.59639, in Idaho, in hydrologic subbasin 17060206, draining roughly 2,876 square miles.
Can I use MF Salmon River at Mouth near Shoup, ID data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Mf Salmon River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Mf Salmon River in full.

Other gauges in this region