Alert archive / Kansas / River Flood Warnings in 2026

River Flood Warning 55, NWS Topeka, KS

September 30, 2026Washington County, Kansas

NWS Topeka, KS issued this river flood warning at Sep 30, 2026, 9:40 AM CDT for Washington County, Kansas. It took effect at Sep 30, 2026, 6:41 PM CDT. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 2026, 9:40 AM CDT (14:40 UTC)
In effect from
Sep 30, 2026, 6:41 PM CDT
Expired
Oct 2, 2026, 12:00 PM CDT
In force
41 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
Moderate

County Washington County, KS

The radar

The Topeka radar (KTWX), 114 km from the middle of the area, began a volume at 14:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Mill Creek (WSHK1) at Washington (WSHK1). The gauge peaked at 13.79 ft at Oct 1, 2026, 8:00 AM CDT.

actionminormoderate510152009/3010/0110/02
Action stage
13 ft
Minor stage
18 ft
Moderate stage
19 ft
Major stage
35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06884200, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 4:24 AM CDTAreal Flood AdvisoryTOPMarshall, Nemaha, Washington3 hr
Sep 30, 9:41 AM CDTRiver Flood WarningTOPMarshall59 hr
Sep 30, 9:42 AM CDTRiver Flood WarningTOPClay4 days
Sep 30, 9:42 AM CDTRiver Flood WarningTOPMarshall, Washington4 days
Sep 30, 12:22 PM CDTAreal Flood AdvisoryTOPMarshall6 hr
Sep 30, 1:19 PM CDTAreal Flood AdvisoryTOPNemaha5 hr
Sep 30, 2:37 PM CDTRiver Flood WarningTOPRepublic48 hr

Nearby

River Flood Warnings in Kansas, 2026Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.