Big Blue River at Blue Rapids, KS
River level and flood forecast · Marshall County
Normal19.0 ftas of Mon 2:15 PM
The river is 7.0 ft below flood stage (26 ft).
The last 7 days and the forecast
NWS forecast issued Wed, Oct 7, 7:19 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 68 ft |
| Moderate flood stage | 52 ft |
| Flood stage | 26 ft |
| Action stage | 21 ft |
| Record crest (July 22, 1993) | 63.3 ft |
What floods at each level
From the National Weather Service, highest first.
- 68 ftRiver reaches top of levee east of Blue Rapids.
- 26 ftMinor lowland flooding occurs from Marysville to Tuttle Creek Lake.
Highest crests on record
- 63.3 ft — July 22, 1993
- 61.32 ft — May 31, 2019
- 53.19 ft — October 18, 1973
- 50.2 ft — August 5, 1993
- 40.96 ft — June 7, 2015
Recent crests: 26.01 ft (June 16, 2024) · 31.35 ft (July 7, 2022) · 33.39 ft (May 26, 2022) · 26.2 ft (March 25, 2021) · 28.96 ft (March 16, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BLRK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.