Flash Flood Warning — Leavenworth County, Kansas
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 19 at 5:09AM CDT until August 19 at 9:15AM CDT by NWS Kansas City/Pleasant Hill MO
At 509 AM CDT, The storms which produced 2 to 4 inches of rain across the warned area have pushed south of the region and weakened. No significant rainfall is expected in the short-term. However, runoff from the earlier heavy rainfall will continue to produce flooding across flood-prone areas during the next couple of hours. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Kansas City, Leavenworth, Gladstone, Lansing, Mission, Smithville, Bonner Springs, Parkville, Tonganoxie, Platte City, Basehor, Edwardsville and North Kansas City.
Effective August 19, 2026 at 6:09 AM ET · Expires August 19, 2026 at 10:15 AM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Kansas City/Pleasant Hill MO
Expires
August 19, 2026 at 10:15 AM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Kansas
Flash Flood Warning
Flood Advisory
Flood Advisory
Flood Advisory
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Flash Flood Warning Alerts for Leavenworth County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Leavenworth County, Kansas?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 19, 2026 at 10:15 AM ET.
How do I get notified about Flash Flood Warning alerts for Leavenworth County?
Download StormCast free on Google Play and set Leavenworth County, Kansas as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Wyandotte County, Clay County, Jackson County, Platte County.