Flood Watch extended through Thursday for parts of Kansas and Missouri as heavy rain persists

The National Weather Service office in Kansas City/Pleasant Hill reshaped the flood threat across the region: it cancelled Flood Watches for Miami, Cass, Johnson (Missouri), and Pettis counties as conditions there improved, but extended the watch through Thursday afternoon for Linn County in east-central Kansas and Bates and Henry counties in west-central Missouri, where the risk of excessive rainfall remains.

The updated watch runs through Thursday afternoon. The NWS warns that periods of moderate to heavy rainfall are still possible through that time, and that excessive runoff may flood rivers, creeks, streams, and other low-lying or flood-prone locations in those three counties.

The narrowed watch is the latest chapter in a storm system that swept into Kansas and Missouri on Tuesday, October 13. At its peak, flood watches covered 29 counties across central, eastern, and southeastern Kansas and western Missouri, issued by NWS offices in Wichita, Topeka, Kansas City/Pleasant Hill, and Springfield, according to the Country Herald. Communities from Wichita and Topeka in Kansas to Harrisonville and Sedalia in Missouri were included at various points.

Radar estimates showed 1 to 4 inches of rain had already fallen Tuesday evening, with the heaviest rain staying mainly south of Interstate 70, according to el-balad.com. That concentration meant the flood concern was sharpest on the southern side of the Kansas City area, where saturated ground left runoff building quickly.

Earlier in the event, the NWS Topeka office warned that some storms could drop 1 to 2 inches in a single night, with parts of east-central Kansas possibly topping 3 inches total by the time the system winds down, according to usairnet.com. The Springfield office had forecast 2 to 4 inches in portions of southeast Kansas and western Missouri, including Bates and Henry counties — the same areas still under the watch.

The Topeka office had also signaled earlier this week that watches might need to be extended into Thursday if additional rounds of heavy rainfall became likely, according to the Country Herald — a scenario that has now materialized for the southernmost counties.

A Flood Watch means flooding is possible, not that it is already occurring or certain. It is a step below a Flood Warning, which would indicate flooding is happening or imminent in a specific area. Residents in flood-prone areas are urged by the NWS to monitor updated forecasts and be ready to act quickly if a warning is issued. The agency's flood safety guidance is available at weather.gov/safety/flood.

For people in Linn County, Kansas and Bates and Henry counties, Missouri, the practical concern through Thursday is repeated bursts of heavy rain over already-wet ground — the kind of setup where roads, underpasses, and creek crossings can flood faster than conditions appear to warrant. Residents should avoid driving through flooded roadways.

Why it matters — Residents in Linn County, Kansas and Bates and Henry counties, Missouri face continued flood risk through Thursday afternoon as repeated rounds of heavy rain fall on already-saturated ground, and should watch for NWS upgrades to a Flood Warning.

Reported by weather.gov, govonestop.com, usairnet.com, countryherald.com, fox4kc.com, el-balad.com