Hail and tornadoes in Union County, OH

Since January 2021, radar estimated hail somewhere in Union County, OH on 26 days. The biggest estimate: 2 in or larger (hen egg), on Sat, Jun 6, 2026. Hail was reported to the National Weather Service inside the county on 3 days.

Still loading: radar estimates go back to Wed, Oct 14, 2020, and the earlier years are being added.

Days with hail

since January 2021

1 inch or larger

days, estimated or reported

Largest radar estimate

2+ in

Sat, Jun 6, 2026

Largest reported

1.5 in

Sun, Mar 22, 2026

Radar estimates are NOAA's MESH: the largest hail the radar estimates aloft, on cells about 0.7 mile across, shown as the lower bound of a size band (“1.5+”). They often run larger than what reached the ground, and they aren't evidence of damage at any address.

Radar-estimated hail on Sat, Jun 6, 2026 around the place, with the hail reported that day — Sat, Jun 6, 2026: radar-estimated hail around Union County, OH, with the hail reported that day.

Hail on record since 1955

NOAA's Storm Events database lists 48 hail reports in Union County, OH on 32 days, 2 of them 2 inches or larger. The largest: 2 in, near Milford Center, on Thu, Jun 4, 2020.

By decade: 2000s: 9 · 2010s: 27 · 2020s: 12

Tornadoes since 1950

3 tornadoes have touched Union County, OH since 1950, none of them rated F3/EF3 or stronger.

Every one

Sun, Dec 29, 2024 · EF0 · 0.35 mi long, 50 yd wide · near West Marysville
Thu, Mar 14, 2024 · EF2 · 15.6 mi long, 600 yd wide · near Lunda
Sun, Jun 6, 2010 · EF0 · 3.39 mi long, 100 yd wide · near West Marysville

By decade: 2010s: 1 · 2020s: 2

Still loading: NOAA's record goes back to 1950, and 2003 onward is in so far.

Every hail day since January 2021

Fri, Sep 4, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 11, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Aug 10, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Aug 9, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jul 4, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Jun 6, 2026
Radar estimate anywhere in the county: 2 in or larger (hen egg)
No hail reported in the county.
Sat, May 16, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Apr 22, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sun, Mar 22, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
Reported in the county
- 1.5 in (2 E Unionville Center, OH)
- 1.25 in (15 W Westerville, OH)
- 1 in (Plain City, OH)
- 1 in (Plain City, OH)
Fri, Jan 16, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Jul 25, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jul 12, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jun 25, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 6, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, May 7, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Apr 17, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Mar 14, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
Reported in the county
- 1 in (Richwood, OH)
Wed, Aug 23, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Jul 24, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sun, Jul 23, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Jul 20, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Jul 2, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Fri, Apr 21, 2023
Reported in the county
- 1 in (PLAIN CITY, OH)
Wed, Jun 1, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Apr 30, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Aug 7, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Wed, Jul 7, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.

Check your own address →Weather in Union County, OH now →Get warned before the next storm →

Radar estimates and reports are for anywhere inside the county's boundary. Radar estimates come from NOAA's MRMS estimated hail size (MESH), the largest hail the radar estimates aloft on a ~1 km grid. They often run larger than the hail that reached the ground, and they aren't an observation at any address. Reports are what people reported to the National Weather Service. Neither is proof of damage or an official record for an insurance claim. From NOAA's Storm Events Database (NCEI), which records tornadoes from 1950, hail and thunderstorm wind from 1955, and every kind of storm from 1996. A tornado that crossed county lines is counted in each county it touched. Recent months are added as NCEI publishes them, a few months behind. Damage is in the dollars of its year and is often an estimate.