Flood Warning Issued for Leavenworth and Atchison Counties, KS

Source: NOAA · Leavenworth County, Kansas

This alert is no longer in effect.

NOAA issued it on July 28, 2026, 3 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS has issued a Flood Warning for rivers in Kansas including Stranger Creek near Tonganoxie, effective from this afternoon through late Monday night.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Leavenworth County, Kansas
Issued
July 28, 2026
Issuing authority
NWS Kansas City/Pleasant Hill MO

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 3 weeks ago; use the issuing agency's live warning service for current conditions in Leavenworth County, Kansas.

Alert Details

A Flood Warning has been issued by the National Weather Service in Kansas City/Pleasant Hill MO. The alert is effective from June 21 at 9:42AM CDT and remains in effect until June 23 at 3:00AM CDT.

Affected Areas

The warning covers Leavenworth County, KS, and Atchison County, KS. Specific rivers include the Delaware River near Muscotah affecting Atchison County; Stranger Creek near Tonganoxie affecting Leavenworth County; and Stranger Creek at Easton affecting Atchison and Leavenworth Counties.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas.

Expected Conditions

Minor flooding is forecast. For Stranger Creek near Tonganoxie, the river is expected to rise above flood stage (23.0 feet) late this afternoon to a crest of 24.3 feet this evening, then fall below flood stage late tonight. At 23.0 feet, low-lying farmland along the creek floods. At 25.0 feet, County Highway 6 floods about 3 miles east of Tonganoxie.

Timeline

The alert was sent and effective at 2026-06-21T09:42:00-05:00 with onset at 2026-06-21T17:37:00-05:00. It expires at 2026-06-22T09:45:00-05:00 and ends at 2026-06-23T03:00:00-05:00.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS has issued a Flood Warning for rivers in Kansas including Stranger Creek near Tonganoxie, effective from this afternoon through late Monday night.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Leavenworth County, Kansas. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.