River Conditions
Illustrated map of Wilson Lake

River stage

Blue Rapids, Big Blue River

River level
18.60 ft
Status
Below flood stage
7-day change
-10.63 ft
Recent high
34.22 ft
Recent low
15.66 ft

Last reported 2026-10-13 | NWS BLRK1

30-day change
+2.77 ft
Average
18.68 ft
Readings
122
Data span
122 days
Record crest
63.30 ft

In brief

The Big Blue River at Blue Rapids, KS read 18.60 ft on Oct 13, 2026, 2.40 ft below action stage. That is 2.77 ft higher than 30 days earlier.

Source: National Weather Service gauge BLRK1

River level timeline

1319253137SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 21.00 ftHIGH 34.22LOW 15.8318.69 ftLAST READING

Stage threshold profile

Action stage 21.00 ftMinor flooding 26.00 ftModerate flooding 52.00 ftMajor flooding 68.00 ft CURRENT 18.60 ft

Highest crests on record

RankCrestDate
1 63.30 ft 1993-07-22
2 61.32 ft 2019-05-31
3 53.19 ft 1973-10-18
4 50.20 ft 1993-08-05
5 40.96 ft 2015-06-07
6 40.72 ft 2015-05-09
7 39.83 ft 2018-09-06
8 37.68 ft 2007-05-08

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 26.00 ft

    Minor lowland flooding occurs from Marysville to Tuttle Creek Lake.

  2. 68.00 ft

    River reaches top of levee east of Blue Rapids.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Big Blue River flooding at Blue Rapids?

No. The Big Blue River at Blue Rapids is at 18.6 ft, 2.4 ft below action stage.

What is the flood stage at Blue Rapids?

The National Weather Service sets action stage 21 ft, minor flooding 26 ft, moderate flooding 52 ft and major flooding 68 ft.

What is the highest the Big Blue River has been at Blue Rapids?

The highest crest on record is 63.3 ft, on 1993-07-22.

Is the Big Blue River high or low right now at Blue Rapids?

At 18.6 ft it is higher than 66% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge BLRK1); daily history from the U.S. Geological Survey (site 06884700). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.