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Nf Solomon River at Portis water level

River gauge, Nf Solomon River, Kansas, United States

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Right now

Normal for mid-October

Water level

3.94ft Steady over the last 24 hours

Flow
23.2 cfs
10 20 Highest onrecord 25.71 ft Minor floodstage 15.00 ft

History

History
345ftOct 12Oct 13Oct 15Oct 16Oct 18345ftOct 12Oct 15Oct 18
51015ftSep 19Sep 26Oct 3Oct 11Oct 18Minor flood stage51015ftSep 19Oct 3Oct 18Minor flood stage
51015ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage51015ftOct 2025Apr 2026Oct 2026Minor flood stage
35810ftJanMarMayJulSepNov202635810ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Nf Solomon River at Portis reads 3.94 ft, a normal level for mid-October.

That puts it 0.08 ft above the median of 3.86 ft for mid-October, based on 39 years of readings. It is 11.06 ft below the flood stage of 15.00 ft. A year ago it stood at 3.83 ft (+0.11 ft).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 3.64 ft and 10.04 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 39 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3.86 ft0.08 ft above the median for this date
Normal for this date
3.05 ft – 4.81 ft8 years in 10 fall in this range (39 years of records)
Same day last year
3.83 ft+0.11 ft
Lowest and highest in 30 days
3.64 ft – 10.04 ft
Lowest and highest in 12 months
3.61 ft – 10.04 ft
Highest on record
25.71 ftMay 25, 2008

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 15.00 ft, still 11.06 ft away.

What happens at each level

25.00 ft
Widespread flooding occurs in low lying areas and over several county roads. The town of Portis and the bridge on Highway 281 are not threatened by flooding. A record flood of 28.5 feet occurred in July of 1951.
20.00 ft
There will be significant flooding over county road 362 and South 80th Avenue.
17.50 ft
The north approach to South 80th Avenue will flood and the flooding over county road 362 will worsen.
15.00 ft
The southeast bank overflows into agricultural and pasture lowlands. Water rises over county road 362.
3.94 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 11 %.

RankLevelDate
125.71 ftMay 25, 2008
223.43 ftJuly 21, 1993
323.00 ftMay 29, 1995
422.99 ftJune 21, 2010
522.95 ftAugust 16, 1968
622.58 ftJune 2, 2011
721.25 ftOctober 23, 2008
820.54 ftJuly 27, 1998
920.30 ftJuly 29, 1967
1019.88 ftMay 13, 1982

Weather at the gauge

The forecast is not available right now.

Sunrise 07:48 AM Sunset 06:53 PM Daylight 11 hr, 4 min First quarter 50%

Map

Other gauges on the Nf Solomon River

Gauge Level Compared with normal 24 hours Distance
Nf Solomon River at GladeRiver gauge, Nf Solomon River 2.57 ft Normal ±0 34 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Sf Solomon River at OsborneRiver gauge, Sf Solomon River 3.15 ft Low −0.18 ft 9 mi
Cawker CityReservoir 1,448.25 ft Normal 14 mi
Waconda Lake and Glen ElderReservoir 1,456.98 ft Very high 21 mi
Solomon River near Glen ElderRiver gauge, Solomon River 7.55 ft Normal −0.14 ft 22 mi
Sf Solomon River at WoodstonRiver gauge, Sf Solomon River 3.83 ft Low ±0 23 mi
Kirwin ReservoirReservoir 1,704.24 ft Very low 24 mi
Bow Creek near StocktonRiver gauge, Bow Creek 3.93 ft High +0.01 ft 32 mi
Solomon River at BeloitRiver gauge, Solomon River 3.01 ft Below flood stage +0.20 ft 32 mi

Questions and answers

How does the Nf Solomon River at Portis compare with last year?

It is 0.11 ft higher than on the same day last year, when the reading was 3.83 ft.

What is flood stage for the Nf Solomon River at Portis?

The official flood stage is 15.00 ft. The level is currently 11.06 ft below it.

What is a normal level for the Nf Solomon River at Portis in mid-October?

The median for mid-October is 3.86 ft. In 8 years out of 10 the reading falls between 3.05 ft and 4.81 ft, based on 39 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Nf Solomon River at Portis today?

On Oct 18, 2026, 08:30 AM CDT, the water level was 3.94 ft. Steady over the last 24 hours.

Is Nf Solomon River at Portis rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Nf Solomon River at Portis normal?

Normal for mid-October. Compared with 39 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:06872500 (Agency page)
Coordinates
39.55300, -98.69232 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 3.94 ft 2026-10-18 13:30 Provisional
Flow 23.2 cfs 2026-10-18 13:30 Provisional

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How to cite

U.S. Geological Survey: Nf Solomon River at Portis (usgs:06872500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/kansas/nf-solomon-river-at-portis

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.