Rivermatics

USGS Streamgage 06879100

Kansas River at Fort Riley, KS

Kansas River at Fort Riley, KS is USGS streamgage 06879100 in Kansas, monitoring river discharge in hydrologic subbasin 10270101. It sits on the Kansas River, alongside 11 other gauges Rivermatics tracks on the same river. It drains a watershed of about 44,870 square miles. Discharge records at this site go back to 1963. Typical flow runs near 1,925.5 cfs in July and 1,142.4 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.

View live conditions & forecast →

Gauge details

State
Kansas
Drainage area
44,870 sq mi
Gauge elevation
1,053 ft
Subbasin (HUC-8)
10270101
Coordinates
39.06166, -96.7664
USGS site number
06879100
Records begin
1963-12-19 (63 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Kansas River at Fort Riley, KS. 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
395 431 468
384 430 503
380 435 573
381 442 673
380 452 758
380 464 1,024
382 485 1,536
399 533 1,911
392 574 2,281
390 591 2,355
383 578 2,393
387 590 2,664
381 578 2,496
372 551 2,193

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 62 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 285.8 805.1 2,774.5
February 300.7 939 3,858.3
March 311.8 1,097.5 5,877.4
April 343 1,142.4 8,119.7
May 376.7 1,863.2 10,978.4
June 477.4 2,580 10,052
July 363.2 1,925.5 8,878.1
August 451 1,299 6,803.2
September 358.5 1,061.5 5,033.7
October 320.1 735.9 5,231.6
November 282.3 646.6 4,904.3
December 280 945 4,410.3

All values in cubic feet per second (cfs).

Common questions

When does Kansas River at Fort Riley, KS normally run highest?
June, on the long-term record. The median daily flow that month is about 2,580 cfs, against 646.6 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Kansas River at Fort Riley, KS?
It depends on the month. In January, half of days historically fall near 805.1 cfs, with the middle 80% of days between 285.8 and 2,774.5 cfs. The month-by-month table on this page gives the full range.
How long has Kansas River at Fort Riley, KS been measured?
Discharge records at USGS site 06879100 begin in 1963, about 63 years, covering roughly 9,189 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Kansas River at Fort Riley, KS?
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 Kansas River at Fort Riley, KS?
The gauge sits at 39.06166, -96.7664, in Kansas, in hydrologic subbasin 10270101, at an elevation of about 1,053 feet, draining roughly 44,870 square miles.
Can I use Kansas River at Fort Riley, KS 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 Kansas River

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

Other gauges in this subbasin