Largest hail, 12 months
1.5 in (estimated)
2 E Unionville Center, Mar 22, 2026
Counties · Ohio
Union County
35 storm reports in the past 12 months. This page is a summary of National Weather Service reports; it is not a Union County government page.
Highest gust, 12 months
70 mph (measured)
1 SE Marysville, Mar 13, 2026
Most snow, one report
11 in (measured)
3 W Ostrander, Jan 26, 2026
Tornado reports, 12 months
0
Tornado reports are confirmed or ruled out later by NWS damage surveys.
Reports
35 reports match.
- Sat, Jun 6, 2026
-
HailHail 0.5 in (marble) estimated
3 N Plain City, Union County
Report from mPING: Half-inch (0.50 in.).
Reported by Public · NWS Wilmington, OH
- Tue, Apr 14, 2026
-
WindThunderstorm wind gust 51 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindThunderstorm wind gust 47 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
6 ENE West Mansfield, Union County
Substantial damage to a large barn in the 25000 block of East Liberty Road near Raymond. Roof uplifted and barn wall collapse.
Reported by Public · NWS Wilmington, OH
-
4 SSE West Mansfield, Union County
A tree was downed across E Liberty Road near State Route 347.
Reported by 911 Call Center · NWS Wilmington, OH
- Mon, Apr 13, 2026
-
WindWind gust (not from a thunderstorm) 47 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
- Thu, Mar 26, 2026
-
1 SSW Magnetic Springs, Union County
Lines down on 347 and Jackson. Time estimated from RADAR.
Reported by 911 Call Center · NWS Wilmington, OH
-
7 NW Richwood, Union County
Roof Damage; time rough estimate from caller.
Reported by Public · NWS Wilmington, OH
-
3 WNW Richwood, Union County
Poles down on Boundary Road. Time estimated from RADAR.
Reported by Public · NWS Wilmington, OH
-
5 N Richwood, Union County
Utility pole down on 12000 Sanders Road. Time estimated from RADAR.
Reported by 911 Call Center · NWS Wilmington, OH
- Sun, Mar 22, 2026
-
HailHail 1.25 in (half dollar) measured
15 W Westerville, Union County
Reported by Public · NWS Wilmington, OH
-
HailHail 1.5 in (ping-pong ball) estimated
2 E Unionville Center, Union County
Reported by Public · NWS Wilmington, OH
- Sun, Mar 15, 2026
-
WindWind gust (not from a thunderstorm) 52 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 51 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 48 mph measured
1 SE Marysville, Union County
KMRT AWOS.
Reported by AWOS · NWS Wilmington, OH
- Fri, Mar 13, 2026
-
WindWind gust (not from a thunderstorm) 70 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 66 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 64 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 62 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 53 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
-
WindWind gust (not from a thunderstorm) 49 mph measured
1 SE Marysville, Union County
AWOS station KMRT Union County Airport.
Reported by AWOS · NWS Wilmington, OH
- Wed, Mar 11, 2026
-
WindThunderstorm wind gust 53 mph measured
1 SE Marysville, Union County
Reported by AWOS · NWS Wilmington, OH
-
WindThunderstorm wind gust 60 mph measured
1 SE Marysville, Union County
KRMT AWOS.
Reported by AWOS · NWS Wilmington, OH
-
WindThunderstorm wind gust 51 mph measured
1 SE Marysville, Union County
Corrects previous tstm wnd gst report from 1 SE Marysville. KRMT AWOS.
Reported by AWOS · NWS Wilmington, OH
- Mon, Jan 26, 2026
-
SnowSnow 9 in measured
5 SE West Mansfield, Union County
CO-OP Observer station RAYO1 Raymond 4 NW.
Reported by CO-OP Observer · NWS Wilmington, OH
-
SnowSnow 11 in measured
3 W Ostrander, Union County
Cocorahs station OH-UN-18 Marysville 6.1 ENE.
Reported by CoCoRaHS · NWS Wilmington, OH
- Sun, Jan 25, 2026
-
SnowSnow 4.7 in measured
5 SE West Mansfield, Union County
CO-OP Observer station RAYO1 Raymond 4 NW.
Reported by CO-OP Observer · NWS Wilmington, OH
-
SnowSnow 4.7 in measured
5 SE West Mansfield, Union County
Cocorahs station OH-UN-4 Raymond 3.5 NW.
Reported by CoCoRaHS · NWS Wilmington, OH
-
SnowSnow 6 in measured
3 W Ostrander, Union County
Cocorahs station OH-UN-18 Marysville 6.1 ENE.
Reported by CoCoRaHS · NWS Wilmington, OH
- Wed, Dec 31, 2025
-
SnowSnow 1 in measured
5 SE West Mansfield, Union County
CO-OP Observer station RAYO1 Raymond 4 NW.
Reported by CO-OP Observer · NWS Wilmington, OH
- Sun, Dec 14, 2025
-
SnowSnow 3.5 in measured
5 SE West Mansfield, Union County
CO-OP Observer station RAYO1 Raymond 4 NW.
Reported by CO-OP Observer · NWS Wilmington, OH
- Tue, Dec 2, 2025
-
SnowSnow 3.1 in measured
6 NE Unionville Center, Union County
CO-OP Observer station MYVO1 Marysville.
Reported by CO-OP Observer · NWS Wilmington, OH
-
SnowSnow 5.5 in measured
5 SE West Mansfield, Union County
Cocorahs station OH-UN-4 Raymond 3.5 NW.
Reported by CoCoRaHS · NWS Wilmington, OH
- Mon, Nov 10, 2025
-
SnowSnow 1 in measured
1 SW Marysville, Union County
Cocorahs station OH-UN-25 Marysville 0.9 SSW.
Reported by CoCoRaHS · NWS Wilmington, OH