River stage
Marysville, Big Blue River
- River level
- 15.20 ft
- Status
- Below flood stage
- 7-day change
- -11.73 ft
- Recent high
- 28.33 ft
- Recent low
- 12.82 ft
Last reported 2026-10-13 | NWS MRYK1
- 30-day change
- +1.93 ft
- Average
- 15.35 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 45.39 ft
In brief
The Big Blue River at Marysville, KS read 15.20 ft on Oct 13, 2026, 14.80 ft below action stage. That is 1.93 ft higher than 30 days earlier.
Source: National Weather Service gauge MRYK1
Water 68 °F (20 °C) · -3 °F in 24 hours
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 45.39 ft | 1941-06-09 |
| 2 | 43.86 ft | 1973-10-13 |
| 3 | 43.79 ft | 1903-05-03 |
| 4 | 40.91 ft | 1950-10-02 |
| 5 | 40.44 ft | 1954-07-08 |
| 6 | 40.40 ft | 1947-06-23 |
| 7 | 40.30 ft | 1949-06-28 |
| 8 | 40.20 ft | 1951-06-15 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 35.00 ft
Low lands near the river flood from Oketo to Blue rapids.
- 38.20 ft
Highways U.S. 36 and U.S. 77 east of the river flood.
- 40.00 ft
Flooding occurs in the southern and western sections of Marysville.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Big Blue River flooding at Marysville?
No. The Big Blue River at Marysville is at 15.2 ft, 14.8 ft below action stage.
What is the flood stage at Marysville?
The National Weather Service sets action stage 30 ft, minor flooding 35 ft, moderate flooding 38.2 ft and major flooding 43 ft.
What is the highest the Big Blue River has been at Marysville?
The highest crest on record is 45.39 ft, on 1941-06-09.
Is the Big Blue River high or low right now at Marysville?
At 15.2 ft it is higher than 66% of readings over the last 122 days.
How warm is the water at Marysville, Big Blue River?
The water temperature at Marysville, Big Blue River is 68 °F (19.9 °C), measured 7:15 pm by USGS. It has fallen 3.3 °F in the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge MRYK1); daily history from the U.S. Geological Survey (site 06882510). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.