Flash Flood Warning Issued for Johnson, Nemaha, Otoe Counties in Nebraska
This alert is no longer in effect.
NOAA issued it on May 26, 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 northeastern Johnson County, central Nemaha County, and southeastern Otoe County in southeastern Nebraska until 3:00 AM CDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern Nebraska
- Issued
- May 26, 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 Southeastern Nebraska.
Alert Details
Flash Flood Warning issued by NWS Omaha/Valley NE. Effective from 2026-05-17T00:54:00-05:00 until 2026-05-17T03:00:00-05:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Northeastern Johnson County, central Nemaha County, and southeastern Otoe County in southeastern Nebraska. Specific locations include Auburn, Peru, Johnson, Talmage, Brownville, Brock, Julian, Lorton, Duck Creek Recreation Area, and Brownville State Recreation Area.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen. Expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible.
Timeline
Alert effective immediately on May 17 at 12:54 AM CDT and remains in effect until May 17 at 3:00 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 (962 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 26, 2026.
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Common questions about this NWS weather alert.