Tornado Warning Issued for Fremont IA, Cass NE, Otoe NE
This alert is no longer in effect.
NOAA issued it on August 19, 2026, 4 days 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 NE has issued a Tornado Warning for parts of southwestern Iowa and southeastern Nebraska until 2:30 PM CDT.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Southwestern Iowa and Southeastern Nebraska
- Issued
- August 19, 2026
- Issuing authority
- NWS Omaha/Valley NE
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 4 days ago; use the issuing agency's live warning service for current conditions in Southwestern Iowa and Southeastern Nebraska.
Alert Details
Tornado Warning issued by NWS Omaha/Valley NE. Effective from August 19 at 1:57 PM CDT until August 19 at 2:30 PM CDT. Severity: Extreme. Urgency: Immediate. Certainty: Observed.
Affected Areas
Northwestern Fremont County in southwestern Iowa; Northeastern Otoe County in southeastern Nebraska; Southeastern Cass County in southeastern Nebraska. Locations impacted include Nebraska City, Union, Thurman, and Camp Catron. Includes Interstate 29 between mile markers 12 and 20.
What You Should Do
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Expected Conditions
At 1:56 PM CDT, a severe thunderstorm capable of producing a tornado was located 4 miles north of Nebraska City, moving south at 10 mph. Weather spotters reported funnel clouds near Lake Waconda and near Interstate 29. Hazard: Tornado.
Timeline
Alert effective August 19, 2026 at 1:57 PM CDT. Expires and ends August 19, 2026 at 2:30 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (1,138 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 19, 2026.
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