Alert archive / Kansas / Flash Flood Warnings
Flash Flood Warnings in Kansas, 2026
120 flash flood warnings in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Flash Flood Warnings
- 120
- Busiest month
- June70 flash flood warnings
- Busiest day
- June 9, 202611 flash flood warnings
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
53 of 121 flash flood warnings covering Kansas in 2026 had a flash flood report inside them; 100 of 111 flash flood reports fell inside a warning, on average 78 minutes after it went out.
Kansas, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Flash flood warnings | 121 | 53 | 56% | 111 | 90% | 78 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Goodland, KS: flash flood warnings | 14 | 3 | 79% | 9 | 56% | 173 min |
| NWS Kansas City, MO: flash flood warnings | 65 | 54 | 17% | 303 | 88% | 100 min |
| NWS Springfield, MO: flash flood warnings | 91 | 37 | 59% | 131 | 63% | 106 min |
| NWS Hastings, NE: flash flood warnings | 7 | 1 | 86% | 1 | 100% | 36 min |
| NWS Wichita, KS: flash flood warnings | 13 | 10 | 23% | 36 | 97% | 83 min |
| NWS Topeka, KS: flash flood warnings | 38 | 10 | 74% | 34 | 94% | 65 min |
| NWS Dodge City, KS: flash flood warnings | 21 | 6 | 71% | 7 | 86% | 25 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:50 PM CST | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Mar 10, 9:58 PM CDT | Flash Flood Warning | EAX | Johnson, Miami | 4 hr |
| Mar 10, 11:02 PM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Osage | 4 hr |
| Apr 1, 9:11 PM CDT | Flash Flood Warning | EAX | Linn | 6 hr |
| Apr 11, 7:15 AM CDT | Flash Flood Warning | TOP | Marshall, Nemaha | 5 hr |
| Apr 11, 10:33 AM CDT | Flash Flood Warning | EAX | Doniphan | 4 hr |
| Apr 15, 5:35 PM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Apr 15, 8:32 PM CDT | Flash Flood Warning | SGF | Cherokee | 3 hr |
| Apr 15, 10:15 PM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Apr 17, 5:00 PM CDT | Flash Flood Warning | SGF | Bourbon, Crawford | 6 hr |
| Apr 17, 5:02 PM CDT | Flash Flood Warning | EAX | Johnson, Wyandotte | 3 hr |
| Apr 17, 11:19 PM CDT | Flash Flood Warning | SGF | Cherokee | 3 hr |
| Apr 23, 10:16 PM CDT | Flash Flood Warning | EAX | Johnson | 6 hr |
| Apr 26, 9:14 PM CDT | Flash Flood Warning | ICT | Labette | 4 hr |
| Apr 26, 9:51 PM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Apr 27, 2:20 AM CDT | Flash Flood Warning | TOP | Dickinson, Geary, Morris, Pottawatomie, Riley, Wabaunsee | 4 hr |
| Apr 27, 3:40 AM CDT | Flash Flood Warning | EAX | Leavenworth | 5 hr |
| Apr 27, 4:11 AM CDT | Flash Flood Warning | TOP | Wabaunsee | 2 hr |
| Apr 27, 4:16 AM CDT | Flash Flood Warning | EAX | Johnson, Wyandotte | 6 hr |
| Apr 27, 4:29 AM CDT | Flash Flood Warning | TOP | Douglas, Jackson, Jefferson, Shawnee | 2 hr |
| Apr 27, 7:05 AM CDT | Flash Flood Warning | EAX | Linn, Miami | 5 hr |
| May 17, 8:18 PM CDT | Flash Flood Warning | DDC | Pawnee, Rush | 3 hr |
| May 17, 8:31 PM CDT | Flash Flood Warning | ICT | Barton, Ellsworth, Lincoln, Russell | 6 hr |
| May 17, 11:19 PM CDT | Flash Flood Warning | TOP | Ottawa | 3 hr |
| May 18, 3:08 PM CDT | Flash Flood Warning | TOP | Washington | 4 hr |
| May 18, 7:17 PM CDT | Flash Flood Warning | TOP | Geary, Pottawatomie, Riley | 3 hr |
| May 18, 7:41 PM CDT | Flash Flood Warning | TOP | Geary, Riley, Wabaunsee | 3 hr |
| May 19, 7:14 AM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| May 28, 1:38 AM CDT | Flash Flood Warning | DDC | Haskell, Meade, Seward | 3 hr |
| May 30, 11:48 PM CDT | Flash Flood Warning | GID | Osborne | 5 hr |
| May 31, 10:39 PM CDT | Flash Flood Warning | TOP | Lyon | 4 hr |
| May 31, 11:40 PM CDT | Flash Flood Warning | TOP | Coffey | 3 hr |
| Jun 1, 12:18 AM CDT | Flash Flood Warning | TOP | Lyon | 2 hr |
| Jun 1, 12:49 AM CDT | Flash Flood Warning | ICT | Greenwood | 2 hr |
| Jun 1, 1:58 AM CDT | Flash Flood Warning | EAX | Wyandotte | 6 hr |
| Jun 1, 5:58 PM CDT | Flash Flood Warning | DDC | Lane | 3 hr |
| Jun 1, 7:40 PM CDT | Flash Flood Warning | DDC | Lane | 3 hr |
| Jun 4, 6:05 PM CDT | Flash Flood Warning | TOP | Clay, Pottawatomie, Riley | 4 hr |
| Jun 4, 10:25 PM CDT | Flash Flood Warning | TOP | Nemaha | 6 hr |
| Jun 4, 10:40 PM CDT | Flash Flood Warning | TOP | Jackson, Pottawatomie | 4 hr |
| Jun 4, 10:51 PM CDT | Flash Flood Warning | TOP | Brown | 5 hr |
| Jun 5, 12:24 AM CDT | Flash Flood Warning | TOP | Brown, Marshall, Nemaha | 4 hr |
| Jun 5, 3:16 AM CDT | Flash Flood Warning | EAX | Doniphan | 2 hr |
| Jun 7, 9:40 PM CDT | Flash Flood Warning | TOP | Douglas | 3 hr |
| Jun 8, 2:08 AM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Jun 8, 3:45 AM CDT | Flash Flood Warning | ICT | Labette, Neosho | 5 hr |
| Jun 8, 4:36 AM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Jun 8, 5:57 AM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Jun 8, 9:54 PM CDT | Flash Flood Warning | TOP | Dickinson, Ottawa | 9 hr |
| Jun 8, 10:57 PM CDT | Flash Flood Warning | TOP | Clay, Dickinson, Geary, Pottawatomie, Riley | 8 hr |
| Jun 9, 12:14 AM CDT | Flash Flood Warning | TOP | Pottawatomie, Riley, Shawnee, Wabaunsee | 6 hr |
| Jun 9, 12:22 AM CDT | Flash Flood Warning | TOP | Jackson, Jefferson, Shawnee, Wabaunsee | 6 hr |
| Jun 9, 12:27 AM CDT | Flash Flood Warning | TOP | Ottawa | 6 hr |
| Jun 9, 12:32 AM CDT | Flash Flood Warning | TOP | Dickinson, Geary, Morris, Wabaunsee | 6 hr |
| Jun 9, 12:48 AM CDT | Flash Flood Warning | TOP | Douglas, Jefferson | 6 hr |
| Jun 9, 1:22 AM CDT | Flash Flood Warning | TOP | Shawnee | 5 hr |
| Jun 9, 2:17 AM CDT | Flash Flood Warning | TOP | Lyon, Morris, Wabaunsee | 4 hr |
| Jun 9, 2:22 AM CDT | Flash Flood Warning | ICT | Lincoln | 4 hr |
| Jun 9, 2:48 AM CDT | Flash Flood Warning | TOP | Clay, Dickinson, Ottawa | 4 hr |
| Jun 10, 7:33 PM CDT | Flash Flood Warning | TOP | Dickinson, Ottawa | 5 hr |
| Jun 10, 8:15 PM CDT | Flash Flood Warning | TOP | Dickinson, Geary, Morris | 4 hr |
| Jun 12, 9:25 PM CDT | Flash Flood Warning | DDC | Morton | 3 hr |
| Jun 13, 4:34 PM CDT | Flash Flood Warning | TOP | Republic | 4 hr |
| Jun 13, 5:43 PM CDT | Flash Flood Warning | TOP | Marshall, Washington | 4 hr |
| Jun 13, 10:10 PM CDT | Flash Flood Warning | EAX | Linn, Miami | 3 hr |
| Jun 13, 10:11 PM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Jun 13, 10:51 PM CDT | Flash Flood Warning | SGF | Crawford | 6 hr |
| Jun 13, 11:02 PM CDT | Flash Flood Warning | SGF | Cherokee | 6 hr |
| Jun 18, 8:50 PM CDT | Flash Flood Warning | ICT | Sumner | 4 hr |
| Jun 20, 5:28 PM CDT | Flash Flood Warning | GLD | Rawlins | 3 hr |
| Jun 20, 11:06 PM CDT | Flash Flood Warning | GLD | Decatur, Rawlins | 3 hr |
| Jun 20, 11:43 PM CDT | Flash Flood Warning | GLD | Cheyenne, Rawlins | 2 hr |
| Jun 21, 12:43 AM CDT | Flash Flood Warning | TOP | Clay, Cloud, Geary, Ottawa, Pottawatomie, Riley | 4 hr |
| Jun 21, 1:40 AM CDT | Flash Flood Warning | TOP | Geary, Riley | 4 hr |
| Jun 21, 3:04 AM CDT | Flash Flood Warning | TOP | Jackson, Jefferson, Osage, Pottawatomie, Shawnee, Wabaunsee | 4 hr |
| Jun 21, 4:42 AM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 4 hr |
| Jun 21, 7:56 AM CDT | Flash Flood Warning | SGF | Bourbon, Cherokee, Crawford | 6 hr |
| Jun 23, 7:51 AM CDT | Flash Flood Warning | DDC | Gray, Haskell | 6 hr |
| Jun 23, 7:55 AM CDT | Flash Flood Warning | DDC | Finney, Kearny | 3 hr |
| Jun 23, 7:57 AM CDT | Flash Flood Warning | DDC | Meade | 3 hr |
| Jun 24, 6:35 AM CDT | Flash Flood Warning | DDC | Hodgeman | 3 hr |
| Jun 25, 1:40 AM CDT | Flash Flood Warning | GLD | Decatur | 3 hr |
| Jun 25, 5:30 AM CDT | Flash Flood Warning | GLD | Gove, Sheridan | 2 hr |
| Jun 25, 7:05 AM CDT | Flash Flood Warning | DDC | Lane, Scott | 3 hr |
| Jun 25, 8:26 AM CDT | Flash Flood Warning | DDC | Hodgeman, Ness | 3 hr |
| Jun 25, 9:38 AM CDT | Flash Flood Warning | DDC | Edwards, Hodgeman, Pawnee | 109 min |
| Jun 25, 10:34 AM CDT | Flash Flood Warning | DDC | Edwards, Kiowa | 3 hr |
| Jun 25, 11:10 AM CDT | Flash Flood Warning | DDC | Pratt | 3 hr |
| Jun 25, 8:40 PM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Jun 25, 9:43 PM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 5 hr |
| Jun 25, 10:13 PM CDT | Flash Flood Warning | ICT | Butler, Harvey, Reno, Sedgwick | 4 hr |
| Jun 25, 10:26 PM CDT | Flash Flood Warning | DDC | Pawnee, Stafford | 5 hr |
| Jun 25, 11:41 PM CDT | Flash Flood Warning | ICT | Allen, Woodson | 4 hr |
| Jun 25, 11:51 PM CDT | Flash Flood Warning | ICT | Butler, Sedgwick | 7 hr |
| Jun 26, 12:14 AM CDT | Flash Flood Warning | ICT | Butler, Cowley, Elk, Greenwood, Sumner | 4 hr |
| Jun 26, 2:38 AM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Jun 26, 2:42 AM CDT | Flash Flood Warning | ICT | Sumner | 90 min |
| Jun 26, 6:26 PM CDT | Flash Flood Warning | SGF | Cherokee | 9 hr |
| Jun 26, 8:18 PM CDT | Flash Flood Warning | SGF | Cherokee | 7 hr |
| Jun 26, 8:35 PM CDT | Flash Flood Warning | ICT | Montgomery | 4 hr |
| Jul 2, 1:33 AM CDT | Flash Flood Warning | DDC | Scott | 3 hr |
| Jul 2, 7:32 PM CDT | Flash Flood Warning | DDC | Grant, Stanton | 2 hr |
| Jul 3, 8:24 PM CDT | Flash Flood Warning | DDC | Ellis, Trego | 102 min |
| Jul 3, 9:02 PM CDT | Flash Flood Warning | GLD | Graham | 3 hr |
| Jul 4, 12:25 PM CDT | Flash Flood Warning | EAX | Johnson, Miami | 3 hr |
| Jul 4, 4:04 PM CDT | Flash Flood Warning | TOP | Shawnee, Wabaunsee | 61 min |
| Jul 9, 6:47 AM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 3 hr |
| Jul 10, 1:20 PM CDT | Flash Flood Warning | EAX | Doniphan | 6 hr |
| Jul 10, 10:20 PM CDT | Flash Flood Warning | ICT | Neosho | 4 hr |
| Jul 10, 10:47 PM CDT | Flash Flood Warning | SGF | Crawford | 8 hr |
| Jul 24, 1:14 AM CDT | Flash Flood Warning | TOP | Ottawa | 3 hr |
| Jul 31, 5:10 AM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 3 hr |
| Aug 5, 3:20 AM CDT | Flash Flood Warning | DDC | Lane, Scott | 3 hr |
| Aug 10, 4:56 AM CDT | Flash Flood Warning | EAX | Johnson | 3 hr |
| Aug 19, 3:19 AM CDT | Flash Flood Warning | EAX | Leavenworth, Wyandotte | 4 hr |
| Sep 10, 5:05 AM CDT | Flash Flood Warning | DDC | Finney | 3 hr |
| Sep 14, 4:52 AM CDT | Flash Flood Warning | EAX | Doniphan | 6 hr |
| Sep 15, 8:48 PM CDT | Flash Flood Warning | EAX | Johnson, Wyandotte | 4 hr |
| Sep 19, 8:41 PM CDT | Flash Flood Warning | TOP | Brown | 2 hr |
| Sep 24, 12:53 AM CDT | Flash Flood Warning | DDC | Grant, Hamilton, Kearny, Morton, Stanton | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cherokee County18
- Johnson County10
- Crawford County10
- Wabaunsee County9
- Wyandotte County8
- Geary County8
- Pottawatomie County8
- Riley County8
- Dickinson County7
- Ottawa County7
- Shawnee County6
- Leavenworth County5
- Miami County4
- Douglas County4
- Doniphan County4
- Morris County4
- Jackson County4
- Jefferson County4
- Lane County4
- Clay County4
- Linn County3
- Marshall County3
- Nemaha County3
- Pawnee County3
- Lyon County3
- Brown County3
- Sumner County3
- Rawlins County3
- Hodgeman County3
- Scott County3
- Butler County3
- Osage County2
- Bourbon County2
- Labette County2
- Lincoln County2
- Washington County2
- Haskell County2
- Meade County2
- Greenwood County2
- Neosho County2
37 more counties
- Morton County2
- Decatur County2
- Finney County2
- Kearny County2
- Edwards County2
- Sedgwick County2
- Grant County2
- Stanton County2
- Franklin County1
- Rush County1
- Barton County1
- Ellsworth County1
- Russell County1
- Seward County1
- Osborne County1
- Coffey County1
- Republic County1
- Cheyenne County1
- Cloud County1
- Gray County1
- Gove County1
- Sheridan County1
- Ness County1
- Kiowa County1
- Pratt County1
- Harvey County1
- Reno County1
- Stafford County1
- Allen County1
- Woodson County1
- Cowley County1
- Elk County1
- Montgomery County1
- Ellis County1
- Trego County1
- Graham County1
- Hamilton County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.