NWS Topeka KSFL.W 0052September 16, 2026
Flood Warning: Lyon and Osage, KS
The National Weather Service office in Topeka issued a flood warning for Lyon and Osage in Kansas, which was in force until 6:00 a.m. local time on September 17. It was the 52nd river flood warning the NWS office in Topeka issued in 2026. Kansas had 13 flood warnings in September 2026, against 32 in an average September of 2008-2025 (Kansas's flood warnings by year).
ExpiredWarning
In force for 20.5 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 and Osage
- State
- Kansas
- Level
- Warning
- Issued
- 5:59 a.m. CDT, September 16, 2026
- In force from
- 9:32 a.m. CDT, September 16, 2026
- Expires
- 6:00 a.m. CDT, September 17, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KTOP FL.W 0052
- Official source
- National Weather Service: the notice at its source
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
...The National Weather Service in Topeka has issued a Flood Warning for the following rivers in Kansas... Marais Des Cygnes River above Reading affecting Lyon and Osage Counties. * WHAT...Minor flooding is forecast. * WHERE...Marais Des Cygnes River above Reading. * WHEN...From this morning to Thursday morning. * IMPACTS...At 19.0 feet, Low lying areas along the river flood. At 21.0 feet, County Road Y 5 near the gage floods, 3 miles north of Reading. * ADDITIONAL DETAILS... - At 5:45 AM CDT Wednesday the stage was 17.0 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 20.5 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 19.0 feet.
What the agency told people to do
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product along with additional weather and stream information is available at www.weather.gov/top/.
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.