Mercer County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Has it hailed in Mercer County, New Jersey recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 1 hail report with hail up to 1", among 19 severe weather events logged here in the last 12 months, together with 18 high-wind reports with gusts up to 58 mph. The most recent recorded storm activity was on Aug 7, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
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Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Friday, August 7, 2026
1 SPC verified storm report
“Trees down in West Windsor Twp. Time estimated by radar. (PHI)”
- Wind Unknown West Windsor Twp. SPC verified report
Monday, July 27, 2026
1 SPC verified storm report — hail up to 1"
“Report from mPING: Quarter (1.00 in.). (PHI)”
- Hail 1" 1 NE Washington Crossin SPC verified report
Saturday, July 18, 2026
1 SPC verified storm report
“Several trees down near Reynolds Middle School. (PHI)”
- Wind Unknown 1 SW Hamilton Square SPC verified report
Friday, July 3, 2026
2 SPC verified storm reports
“Several trees and wires down around Hopewell Township. Time estimated from radar. (PHI)”
“Delayed report. Large tree snapped with wires down. Time estimated from radar. (PHI)”
- Wind Unknown 2 WNW Pennington SPC verified report
- Wind Unknown 2 ESE Washington Crossi SPC verified report
Thursday, July 2, 2026
1 SPC verified storm report
“Tree down on road at intersection of Windybusy Way and Bear Tavern Road. (Time estimated from radar). (PHI)”
- Wind Unknown Ewing SPC verified report
Monday, June 22, 2026
1 SPC verified storm report
“Wires down. Time estimated from radar. (PHI)”
- Wind Unknown Hamilton Twp SPC verified report
Saturday, June 13, 2026
1 SPC verified storm report
“Trees and wires down around Hamilton Township. Time estimated from radar. (PHI)”
- Wind Unknown 2 S Mercerville SPC verified report
Saturday, June 6, 2026
1 SPC verified storm report
“Large limbed broken from one tree... another snapped at the roots... in close proximity to each other on the College of New Jersey campus. Time estimated from radar. (PHI)”
- Wind Unknown 1 E Ewing SPC verified report
Wednesday, May 20, 2026
2 SPC verified storm reports
“Several trees and wires down around Hopewell. Time estimated from radar. (PHI)”
“Two trees were blown down by a strong wind gust ahead of the rain starting. (PHI)”
- Wind Unknown 1 ENE Hopewell SPC verified report
- Wind Unknown Pennington SPC verified report
Monday, March 16, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central, northeast, and southeast Pennsylvania. WHEN...Until 2 AM EDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects.”
“WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of northern Delaware, northeast Maryland, central, northern, and northwest New Jersey, and east central, northeast, and southeast Pennsylvania. WHEN...From 2 PM this afternoon to 2 AM EDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects.”
- Wind 50 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
Sunday, March 15, 2026
3 SPC verified storm reports — wind gusts up to 58 mph
“Several trees and wires down around Princeton. Time estimated from radar. (PHI)”
“Downed Wires on NJ 29 Both Directions North of River Knoll Dr (Hopewell Twp)... All lanes closed. (PHI)”
- Wind 58 mph Trenton Mercer Airport SPC verified report
- Wind Unknown 1 E Princeton SPC verified report
- Wind Unknown 1 SE Washington Crossin SPC verified report
Tuesday, December 30, 2025
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 15 to 25 mph with gusts up to 40 to 50 mph. WHERE...Portions of northern Delaware, central, northern, northwest, and southern New Jersey, and east central and southeast Pennsylvania. WHEN...Until 4 PM EST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Mercer County NWS severe weather mention
Friday, December 19, 2025
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 20 to 30 mph with gusts of 40 to 50 mph. WHERE...Portions of central and northern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central and southeast Pennsylvania. WHEN...Until 1 AM EST Saturday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Mercer County NWS severe weather mention
Saturday, November 15, 2025
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 20 to 25 mph with gusts of 40 to 50 mph expected. WHERE...Portions of central, northern, and southern Delaware, central, northern, northwest, and southern New Jersey, and east central and southeast Pennsylvania. WHEN...From 10 AM to 7 PM EST Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Mercer County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Mercer County, NJ?
The most recent recorded event was on Aug 7, 2026. Official NWS and SPC records show 19 severe weather events in Mercer County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Mercer County recently?
Yes — 1 hail report in the last 12 months, with hail up to 1" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.