NWS Topeka KSFF.W 0044October 1, 2026
Flash Flood Warning: Lyon, Osage and Wabaunsee, KS
The National Weather Service office in Topeka issued a flash flood warning for Lyon, Osage and Wabaunsee in Kansas, which was in force until 9:45 p.m. local time on October 1. It was the 44th flash flood warning the NWS office in Topeka issued in 2026. Kansas had 15 flash flood warnings in October 2026, against 2 in an average October of 2008-2025 (Kansas's flash flood warnings by year).
ExpiredWarning
In force for 4 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Topeka KS
- Area
- Lyon, Osage and Wabaunsee
- State
- Kansas
- Level
- Warning
- Issued
- 5:46 p.m. CDT, October 1, 2026
- Expires
- 9:45 p.m. CDT, October 1, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KTOP FF.W 0044
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Kansas since 2008Every warning type in Kansas
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWTOP The National Weather Service in Topeka has issued a * Flash Flood Warning for... Northern Lyon County in east central Kansas... Osage County in east central Kansas... Southeastern Wabaunsee County in east central Kansas... * Until 945 PM CDT. * At 546 PM CDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Osage City, Carbondale, Lyndon, Burlingame, Americus, Scranton, Quenemo, Harveyville, Reading, Allen, Admire, Bushong and Pomona Lake. This includes Kansas Turnpike between mile markers 130 and 161.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.