Big Blue River at Marysville water level

Name: Big Blue River at Marysville water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Big Blue River, Kansas, United States

Directions

Very high for mid-October

Water level

14.90ft Down 0.30 ft over the last 24 hours

Measured Oct 20, 2026, 11:30 AM CDT (25 min ago)

Flow: 843 cfs
Water temperature: 54 °F

History

7 days 30 days 1 year Years compared

20252026

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

What this means

High water at Big Blue River at Marysville: the latest reading is 14.90 ft, well above normal for mid-October.

That puts it 2.83 ft above the median of 12.07 ft for mid-October, based on 36 years of readings. It is 20.10 ft below the flood stage of 35.00 ft. A year ago it stood at 12.91 ft (+1.99 ft).

It is still going down, by 0.30 ft over the past 24 hours. The 30-day range is 13.29 ft – 28.36 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 54 °F.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 12.07 ft2.83 ft above the median for this date
Normal for this date: 10.84 ft – 14.19 ft8 years in 10 fall in this range (36 years of records)
Same day last year: 12.91 ft+1.99 ft
Lowest and highest in 30 days: 13.29 ft – 28.36 ft
Lowest and highest in 12 months: 12.69 ft – 28.36 ft
Highest on record: 45.39 ftJune 9, 1941

Staying safe in high water

Flood stage is only the first threshold. Above it the National Weather Service sets moderate and major flood stages, and the forecast crest tells you which of those the river is expected to reach.

Upstream gauges on the same river usually show a rise first, which is a useful early warning.

What happens at each level

40.00 ft: Flooding occurs in the southern and western sections of Marysville.
38.20 ft: Highways U.S. 36 and U.S. 77 east of the river flood.
35.00 ft: Low lands near the river flood from Oketo to Blue rapids.
14.90 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: < 5 %.

Rank	Level	Date
1	45.39 ft	June 9, 1941
2	43.86 ft	October 13, 1973
3	43.79 ft	May 3, 1903
4	40.91 ft	October 2, 1950
5	40.44 ft	July 8, 1954
6	40.40 ft	June 23, 1947
7	40.30 ft	June 28, 1949
8	40.20 ft	June 15, 1951
9	40.19 ft	March 29, 1960
10	39.98 ft	June 7, 1951

Weather at the gauge

No rain in the last 3 days.

20 Tue 70° 45° – Wind 13 mph

21 Wed 73° 55° 0.17 in Wind 8 mph

22 Thu 77° 57° – Wind 13 mph

23 Fri 78° 62° – Wind 20 mph

24 Sat 79° 63° – Wind 17 mph

25 Sun 75° 61° 0.15 in, 20% Wind 10 mph

26 Mon 63° 45° 0.69 in, 27% Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:43 AM Sunset 06:41 PM Daylight 10 hr, 59 min Waxing gibbous 70%

Map

Other gauges on the Big Blue River

Gauge	Level	Compared with normal	24 hours	Distance
Big Blue River near CreteRiver gauge, Big Blue River	9.64 ft	Very high	−0.21 ft	54 mi
Big Blue River at BarnestonRiver gauge, Big Blue River	4.81 ft	High	−0.22 ft	15 mi
Big Blue River at Blue RapidsRiver gauge, Big Blue River	17.84 ft	High	−0.27 ft	11 mi
Big Blue River near ManhattanRiver gauge, Big Blue River	11.18 ft	Very high	−0.13 ft	42 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Lake Blue River near BarnesRiver gauge, Lake Blue River	5.25 ft	Very high	−0.15 ft	11 mi
Black Vermillion River near FrankfortRiver gauge, Black Vermillion River	3.20 ft	Low	−0.03 ft	16 mi
Mill Creek at WashingtonRiver gauge, Mill Creek	1.96 ft	Normal	−0.01 ft	20 mi
Little Blue River at HollenbergRiver gauge, Little Blue River	2.46 ft	Normal	−0.18 ft	21 mi
Turkey Creek near SenecaRiver gauge, Turkey Creek	1.17 ft	Low	±0	30 mi
Little Blue River near FairburyRiver gauge, Little Blue River	7.81 ft	High	−0.15 ft	35 mi
Turkey Creek near DeWittRiver gauge, Turkey Creek	11.60 ft	Very high	−0.17 ft	38 mi
Soldier Creek near CorningRiver gauge, Soldier Creek	6.22 ft	Very low	−0.02 ft	40 mi

Questions and answers

How does the Big Blue River at Marysville compare with last year?

It is 1.99 ft higher than on the same day last year, when the reading was 12.91 ft.

What is flood stage for the Big Blue River at Marysville?

The official flood stage is 35.00 ft. The level is currently 20.10 ft below it.

What is a normal level for the Big Blue River at Marysville in mid-October?

The median for mid-October is 12.07 ft. In 8 years out of 10 the reading falls between 10.84 ft and 14.19 ft, based on 36 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 Big Blue River at Marysville today?

On Oct 20, 2026, 11:30 AM CDT, the water level was 14.90 ft. Down 0.30 ft over the last 24 hours.

Is Big Blue River at Marysville rising or falling?

Down 0.30 ft over the last 24 hours. Down 0.30 ft over the last 7 days.

Is the level of Big Blue River at Marysville normal?

Very high for mid-October. Compared with 36 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:06882510 (Agency page)
Coordinates: 39.84195, -96.66224 (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

Parameter	Last value	Time (UTC)	Quality
Water level	14.90 ft	2026-10-20 16:30	Provisional
Flow	843 cfs	2026-10-20 16:30	Provisional
Water temperature	54 °F	2026-10-20 16:15	Provisional

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How to cite

U.S. Geological Survey: Big Blue River at Marysville (usgs:06882510). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/kansas/big-blue-river-at-marysville

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer