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Lyon Creek near Junction City

Highest listed crest 28.17 ftFlood stage 21.0 ft12 crests since 2004

The Lyon Creek near Junction City crested above flood stage 4 times among the 12 crests the National Weather Service lists from 2004 to 2022. The highest, 28.17 ft on May 9, 2019, was minor flooding, 7.17 feet above flood stage.

The gauge

Highest listed crest
28.17 ft
May 9, 2019; 9,360 cubic feet per second
Flood stage
21.0 ft
Major flooding from 39.0 ft
Crests at major
0
4 above flood stage
Most recent flood crest
May 22, 2019
23.42 ft, minor flooding
Location
Geary County
Near Junction City (5.4 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Lyon Creek near Junction City
Action stage19.03May 27, 2021The level at which the NWS or its partners begin to take action
Flood stage (minor)21.04May 22, 2019Minimal or no property damage, but possibly some public threat
Moderate flood stage35.00—Some inundation of structures and roads near the stream
Major flood stage39.00—Extensive inundation of structures and roads

Every listed crest

12 crests from 2004 to 2022. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Lyon Creek near Junction City, 2004 to 2022 010203040ft Flood stage 21.0 ftMajor 39.0 ft Jul 24, 2004: 20.22 ft, action stage; 5,240 cubic feet per secondAug 25, 2012: 11.36 ft, below flood stage; 1,090 cubic feet per secondDec 14, 2015: 22.62 ft, minor floodingMay 28, 2016: 21.60 ft, minor floodingMar 30, 2017: 19.75 ft, action stage; 4,600 cubic feet per secondSep 3, 2018: 13.69 ft, below flood stage; 1,780 cubic feet per secondMay 9, 2019: 28.17 ft, minor flooding; 9,360 cubic feet per secondMay 22, 2019: 23.42 ft, minor floodingMay 25, 2020: 16.91 ft, below flood stage; 3,350 cubic feet per secondMay 27, 2021: 20.83 ft, action stage; 5,320 cubic feet per secondAug 13, 2022: 17.61 ft, below flood stage; 3,710 cubic feet per secondNov 6, 2022: 7.69 ft, below flood stage; 282 cubic feet per second Highest, 28.17 ft, May 9, 2019 2005201020152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Lyon Creek near Junction City 2000s: 0 2010s: 4 4 2020s: 0 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Lyon Creek near Junction City
1May 9, 201928.17+7.17Minor9,360
2May 22, 201923.42+2.42Minor—
3Dec 14, 201522.62+1.62Minor—
4May 28, 201621.60+0.60Minor—
5May 27, 202120.83−0.17Action5,320
6Jul 24, 200420.22−0.78Action5,240
7Mar 30, 201719.75−1.25Action4,600
8Aug 13, 202217.61−3.39Below flood stage3,710
9May 25, 202016.91−4.09Below flood stage3,350
10Sep 3, 201813.69−7.31Below flood stage1,780
11Aug 25, 201211.36−9.64Below flood stage1,090
12Nov 6, 20227.69−13.31Below flood stage282

Other gauges in Geary County

Flood gauges in Geary County
Ft. Riley21.034.50 ft, Jul 1, 19512
Junction City22.035.90 ft, Jul 12, 19510

Geary County: every hazard · River floods across the country · Kansas

NOAA National Water Prediction Service, gauge JNCK1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.