NWS Omaha/Valley NETO.W 0028May 18, 2026
Tornado Warning: Nemaha, NE
The National Weather Service office in Omaha/Valley issued a tornado warning for Nemaha in Nebraska, which was in force until 5:00 p.m. local time on May 18. It was the 28th tornado warning the NWS office in Omaha/Valley issued in 2026. Nebraska had 39 tornado warnings in May 2026, against 29 in an average May of 2008-2025 (Nebraska's tornado warnings by year).
ExpiredWarning
In force for 1 hour; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Omaha/Valley NE
- Area
- Nemaha
- State
- Nebraska
- Level
- Warning
- Issued
- 4:00 p.m. CDT, May 18, 2026
- Expires
- 5:00 p.m. CDT, May 18, 2026
- CAP severity, certainty, urgency
- Extreme, Observed, Immediate
- VTEC event
- KOAX TO.W 0028
- Official source
- National Weather Service: the notice at its source
Tornado Warnings in Nebraska since 2008Every warning type in Nebraska
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
TOROAX The National Weather Service in Omaha has issued a * Tornado Warning for... Nemaha County in southeastern Nebraska... * Until 500 PM CDT. * At 359 PM CDT, a severe thunderstorm capable of producing a tornado was located 4 miles west of Elk Creek, or 5 miles south of Tecumseh, moving east at 45 mph. HAZARD...Tornado and half dollar size hail. SOURCE...Radar indicated rotation. Trained spotters reported strong rotation with this storm 5 miles south of Tecumseh. In addition to any tornado potential, this storm is producing widespread winds of 60 to 80 mph. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This dangerous storm will be near... Auburn around 420 PM CDT. Brownville around 435 PM CDT. Other locations impacted by this tornadic thunderstorm include Brownville State Recreation Area, Duck Creek Recreation Area, The Highway 62 and 105 Junction, and Howe.
What the agency told people to 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. Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW!
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.