Alert archive / Kansas / River Flood Warnings in 2026

River Flood Warning 98, NWS Kansas City, MO

May 18, 2026Leavenworth County, Kansas

NWS Kansas City, MO issued this river flood warning at May 18, 2026, 8:46 PM CDT for Leavenworth County, Kansas. It took effect at May 19, 2026, 8:48 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 18, 2026, 8:46 PM CDT (01:46 UTC)
In effect from: May 19, 2026, 8:48 AM CDT
Expired: May 19, 2026, 1:18 AM CDT
In force
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

County Leavenworth County, KS

The radar

The Pleasant Hill radar (KEAX), 80 km from the middle of the area, began a volume at 01:49 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 Stranger Creek near Tonganoxie (TNGK1). The gauge peaked at 14.13 ft at May 20, 2026, 1:00 AM CDT.

Action stage: 18 ft
Minor stage: 23 ft
Moderate stage: 30 ft
Major stage: 35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06892000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, May 18, 7:06 PM CDT, 1 hour 40 minutes before

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Local storm report, May 18, 8:03 PM CDT, 43 minutes before

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Local storm report, May 18, 8:18 PM CDT, 28 minutes before

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Local storm report, May 18, 8:29 PM CDT, 17 minutes before

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Local storm report, May 18, 8:39 PM CDT, 7 minutes before

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Local storm report, May 18, 8:46 PM CDT, 0 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 7:09 PM CDT	Tornado Warning	EAX	Gentry, Worth	51 min
May 18, 7:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Holt	60 min
May 18, 7:22 PM CDT	Tornado Warning	EAX	Harrison, Worth	53 min
May 18, 7:29 PM CDT	Tornado Warning	EAX	Holt	31 min
May 18, 7:39 PM CDT	Tornado Warning	EAX	Nodaway, Worth	51 min
May 18, 7:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Andrew, Holt	49 min
May 18, 7:55 PM CDT	Areal Flood Advisory	EAX	Nodaway, Worth	14 min
May 18, 8:01 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Atchison, Holt, Nodaway	44 min
May 18, 8:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Andrew, Buchanan, Clinton, DeKalb	41 min
May 18, 8:09 PM CDT	Flash Flood Warning	EAX	Nodaway, Worth	5 hr
May 18, 8:14 PM CDT	River Flood Warning	EAX	Bates	72 hr
May 18, 8:15 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	45 min
May 18, 8:26 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Nodaway, Worth	49 min
May 18, 8:35 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Daviess, DeKalb, Gentry, Harrison and 1 more	40 min
May 18, 8:36 PM CDT	Tornado Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Harrison	24 min
May 18, 8:42 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clay, Clinton, DeKalb, Platte	63 min
May 18, 8:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Platte	58 min
May 18, 8:57 PM CDT	Tornado Warning	EAX	Daviess, Grundy, Harrison	33 min
May 18, 9:06 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer, Sullivan and 1 more	39 min
May 18, 9:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Buchanan, Caldwell, Cass, Clay, Clinton, Jackson and 2 more	62 min
May 18, 9:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Caldwell, Carroll, Daviess, Grundy, Lafayette, Livingston and 1 more	53 min
May 18, 9:42 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson	63 min
May 18, 9:43 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Putnam, Sullivan	33 min
May 18, 9:45 PM CDT	Tornado Warning	EAX	Cass, Johnson	30 min
May 18, 9:50 PM CDT	Tornado Warning	EAX	Carroll, Clay, Jackson, Ray	40 min
May 18, 10:03 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	42 min
May 18, 10:07 PM CDT	River Flood Warning	EAX	Andrew, Holt, Nodaway	3 hr
May 18, 10:08 PM CDT	Tornado Warning	EAX	Caldwell, Carroll, Livingston, Ray	37 min
May 18, 10:21 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Grundy, Johnson, Lafayette, Linn and 4 more	39 min
May 18, 10:28 PM CDT	Areal Flood Warning	EAX	Atchison, Holt, Nodaway	11 hr
May 18, 11:31 PM CDT	Severe Thunderstorm Warning	EAX	Bates	44 min
May 19, 1:30 AM CDT	Areal Flood Warning	EAX	Nodaway, Worth	8 hr
May 19, 5:55 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	23 hr
May 19, 9:30 AM CDT	Areal Flood Warning	EAX	Andrew, Atchison, Gentry, Harrison, Holt, Nodaway and 1 more	36 hr
May 18, 7:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Atchison	45 min
May 18, 8:13 PM CDT	River Flood Warning	EAX	Miami	66 hr
May 18, 8:13 PM CDT	River Flood Warning	EAX	Linn	4 days
May 18, 9:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Miami	75 min

Nearby

River Flood Warnings in Kansas, 2026 Every 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.