Union County, OH — Severe Weather & Radar
No active severe-weather warnings for Union County, OH right now. Live radar is below — set up alerts to get warned the moment one is issued.
One tap turns on push alerts for Tornado & Severe Thunderstorm Warnings that hit Union County, OH — even when the app is closed. No account needed.
Or get them by email
No app or notifications: an email when a warning is issued for your town.
No account or app. You'll confirm by email first, and every email has a stop link.
Severe-weather outlook
General (non-severe) thunderstorms are possible in Union County, OHtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near Union?
Around Union County and the Midwest, severe weather is most active from April through June.
The main threats are damaging thunderstorm winds — including widespread, long-lived derechos — along with large hail and tornadoes.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Union County, OH
Union County, OH has an estimated 63,000 residents, plus 1 hospitals, 3 nursing homes, 19 schools, 2 mobile-home parks, 1 dialysis centers that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Nearby areas
Live radar and active alerts for places near Union:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.