Flash Flood Warning Issued for Mills County IA and Sarpy, Cass Counties NE
This alert is no longer in effect.
NOAA issued it on June 24, 2026, 2 months 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 Omaha/Valley has issued a Flash Flood Warning for southwestern Mills County in Iowa and parts of Sarpy and Cass counties in Nebraska until 1:30 AM CDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southwestern Iowa and Southeastern Nebraska
- Issued
- June 24, 2026
- Issuing authority
- NWS Omaha/Valley NE
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 2 months ago; use the issuing agency's live warning service for current conditions in Southwestern Iowa and Southeastern Nebraska.
Alert Details
Flash Flood Warning issued by NWS Omaha/Valley NE. Effective from 2026-06-05T22:28:00-05:00 until 2026-06-06T01:30:00-05:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Southwestern Mills County in southwestern Iowa; Southeastern Sarpy County in east central Nebraska; Eastern Cass County in southeastern Nebraska. Specific locations include Plattsmouth, Glenwood, Louisville, Pacific Junction, Murray, Cedar Creek, Union, Nehawka, Beaver Lake, Manley and Camp Maha.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Expected Conditions
At 10:28 PM CDT, public reported water over Webster Boulevard north of Plattsmouth. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is already occurring. Hazard: Flash flooding caused by thunderstorms. Impact: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Timeline
Alert in effect from June 5 at 10:28 PM CDT until June 6 at 1:30 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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.
Similar body length
Nearest notices by article body length (1,271 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 24, 2026.
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Common questions about this NWS weather alert.