Alert archive / Kansas / River Flood Warnings in 2026

River Flood Warning 47, NWS Topeka, KS

June 26, 2026Lyon County, Kansas

NWS Topeka, KS issued this river flood warning at Jun 26, 2026, 8:49 PM CDT for Lyon County, Kansas. It took effect at Jun 27, 2026, 7:00 AM CDT. It was in force for 81 min.

The area

The counties it named.

The facts

Issued
Jun 26, 2026, 8:49 PM CDT (01:49 UTC)
In effect from
Jun 27, 2026, 7:00 AM CDT
Expired
Jun 27, 2026, 8:21 AM CDT
In force
81 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
Minor

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 01:52 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 Cottonwood River at Emporia (EMPK1). The gauge peaked at 19.86 ft at Jun 27, 2026, 5:00 AM CDT.

actionminormoderate102006/2706/28
Action stage
15 ft
Minor stage
20 ft
Moderate stage
24 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07182260, 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
Jun 27, 1:27 AM CDTExtreme Heat WatchTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more11 hr
Jun 27, 12:48 PM CDTExtreme Heat WarningTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more3 days

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.