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National Weather ServiceKansasFlash Flood WarningArchive to October 1, 2026

Flash Flood Warnings in Kansas

The National Weather Service issued 121 flash flood warnings for Kansas in 2025 and 119 a year on average in 2008-2025; in 2021-2025 it had the 23rd most of any state. 2026 through September: 122, 5% above the average of 116 for those months in 2008-2025. Cherokee was covered most often (178 times since 2008).

How many flash flood warnings does Kansas get?

121 flash flood warnings for Kansas in 2025
1002003002008: 18020082009: 14520092010: 15420102011: 5720112012: 2220122013: 10620132014: 9020142015: 15120152016: 17820162017: 10420172018: 12620182019: 29220192020: 9520202021: 10320212022: 3220222023: 10520232024: 7320242025: 12120252026: 12320262008-2025 average 1192026 through September: 1231002003002008: 18020082009: 1452010: 15420102011: 572012: 2220122013: 1062014: 9020142015: 1512016: 17820162017: 1042018: 12620182019: 2922020: 9520202021: 1032022: 3220222023: 1052024: 7320242025: 1212026: 12320262008-2025 average 1192026 through September: 1231002003002008: 18020082009: 1452010: 15420102011: 572012: 2220122013: 1062014: 9020142015: 1512016: 17820162017: 1042018: 12620182019: 2922020: 9520202021: 1032022: 3220222023: 1052024: 7320242025: 1212026: 12320262008-2025 average 1192026 through September: 1231002003002008: 18020082009: 1452010: 1542011: 572012: 222013: 1062014: 902015: 15120152016: 1782017: 1042018: 1262019: 2922020: 9520202021: 1032022: 322023: 1052024: 732025: 1212026: 12320262008-2025 average 1192026 through September: 123

Every flash flood warning that covered part of Kansas. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)123
2025121
202473
2023105
202232
2021103
202095
2019292
2018126
2017104
2016178
2015151
201490
2013106
201222
201157
2010154
2009145
2008180

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

When in the year does Kansas get them?

Kansas's flash flood warnings by month, 2008-2025
200400600Jan: 0JanFeb: 6FebMar: 20MarApr: 141AprMay: 531MayJun: 475JunJul: 384JulAug: 313AugSep: 218SepOct: 40OctNov: 4NovDec: 2Dec531200400600Jan: 0JanFeb: 6FebMar: 20MarApr: 141AprMay: 531MayJun: 475JunJul: 384JulAug: 313AugSep: 218SepOct: 40OctNov: 4NovDec: 2Dec531200400600Jan: 0JanFeb: 6FebMar: 20MarApr: 141AprMay: 531MayJun: 475JunJul: 384JulAug: 313AugSep: 218SepOct: 40OctNov: 4NovDec: 2Dec531200400600Jan: 0JFeb: 6FMar: 20MApr: 141AMay: 531MJun: 475JJul: 384JAug: 313ASep: 218SOct: 40ONov: 4NDec: 2D531

Sum of 2008-2025; the busiest month is labelled.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

Where in Kansas?

County or forecast zoneSince 2008Since 2023Last issued
Cherokee17835June 27, 2026
Crawford15923July 11, 2026
Bourbon12914June 21, 2026
Johnson10021September 16, 2026
Wyandotte9721September 16, 2026
Leavenworth8617August 19, 2026
Riley7816June 21, 2026
Thomas7710June 17, 2025
Lyon7514June 9, 2026
Logan749September 24, 2025
Gove7211June 25, 2026
Rawlins7015June 21, 2026

The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

The latest flash flood warnings for Kansas in AreaZine's record

This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.

Source: National Weather Service alerts (api.weather.gov).

What is a flash flood warning?

A flash flood warning means flash flooding is happening or about to happen: water rising fast in streams, streets or dry washes, usually within six hours of heavy rain or a dam or levee failure. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Kansas.