Rivermatics

USGS Streamgage 06894650

Missouri River at Napoleon, MO

Missouri River at Napoleon, MO is USGS streamgage 06894650 in Missouri, monitoring river discharge in hydrologic subbasin 10300101. It sits on the Missouri River, alongside 51 other gauges Rivermatics tracks on the same river. It drains a watershed of about 485,100 square miles. Discharge records at this site go back to 2009. Typical flow runs near 70,519.4 cfs in July and 56,520 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Missouri
Drainage area
485,100 sq mi
Gauge elevation
697 ft
Subbasin (HUC-8)
10300101
Coordinates
39.13361, -94.06389
USGS site number
06894650
Records begin
2009-03-18 (17 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Missouri River at Napoleon, MO. 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
35,043 36,554 38,651
34,117 36,336 40,048
33,714 36,321 40,873
33,439 36,403 42,180
33,211 36,467 42,937
33,063 36,813 44,944
33,636 38,327 50,773
34,962 41,572 64,389
35,128 43,431 73,880
35,554 45,128 78,080
35,806 45,721 77,444
35,707 45,614 75,653
35,561 45,100 71,526
35,179 44,405 69,463

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 11 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 19,341.9 33,377.4 74,403.2
February 23,032.1 37,779.3 74,614.3
March 28,203.2 46,841.9 166,983.9
April 39,413.3 56,520 139,100
May 41,445.2 84,877.4 192,193.5
June 42,873.3 85,063.3 212,533.3
July 43,890.3 70,519.4 161,935.5
August 38,803.2 51,393.5 134,677.4
September 38,310 46,973.3 140,466.7
October 38,261.3 46,848.4 158,483.9
November 38,013.3 46,946.7 133,100
December 23,248.4 34,371 115,264.5

All values in cubic feet per second (cfs).

Common questions

When does Missouri River at Napoleon, MO normally run highest?
June, on the long-term record. The median daily flow that month is about 85,063.3 cfs, against 33,377.4 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Missouri River at Napoleon, MO?
It depends on the month. In January, half of days historically fall near 33,377.4 cfs, with the middle 80% of days between 19,341.9 and 74,403.2 cfs. The month-by-month table on this page gives the full range.
How long has Missouri River at Napoleon, MO been measured?
Discharge records at USGS site 06894650 begin in 2009, about 17 years, covering roughly 4,147 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Missouri River at Napoleon, MO?
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. A companion model forecasts each day's water-temperature high and low. 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 Missouri River at Napoleon, MO?
The gauge sits at 39.13361, -94.06389, in Missouri, in hydrologic subbasin 10300101, at an elevation of about 697 feet, draining roughly 485,100 square miles.
Can I use Missouri River at Napoleon, MO 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 Missouri River

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

Other gauges in this subbasin