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Storm Activity›Pennsylvania Storm Activity›Chester County, PA
Pennsylvania · Official NOAA Storm Data

Chester County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Chester County, Pennsylvania has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 58 severe weather events here in the last 12 months, alongside 1 hail report with hail up to 1" and 56 high-wind reports with gusts up to 62 mph. The most recent recorded storm activity was on Sep 26, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Chester County, Pennsylvania showing the county boundary and surrounding cities
Chester County, Pennsylvania. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Chester County hail map

Where hail and high-wind reports clustered across Chester County over the last 12 months. Heat shows report density and significance, not radar.

58
Events (12 mo)
1
Hail
56
Wind
1
Tornado
1"
Max hail
62
Max wind (mph)
Sep 26, 2026
Most recent

What the radar showed

Radar snapshot during the Aug 20, 2026 tornado event near East Caln Twp, Chester County, Pennsylvania, with NWS warning polygons
NEXRAD radar at the moment of the Aug 20, 2026 tornado event (Tornado) near East Caln Twp. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Storm exposure for an address in Chester County

Get a free report in your folder. A city is enough if you do not have a street.

Storm log — the official record, day by day

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.

Saturday, September 26, 2026

8 NWS warnings — wind gusts up to 50 mph

“WHAT...North winds 10 to 20 mph with gusts up to 50 mph. WHERE...In New Jersey, Morris and Hunterdon Counties. In Pennsylvania, Eastern Chester, Upper Bucks, Western Chester, and Western Montgomery Counties. WHEN...Until noon EDT Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Chester County

“WHAT...North winds 10 to 20 mph with gusts up to 50 mph. WHERE...In New Jersey, Morris and Hunterdon Counties. In Pennsylvania, Eastern Chester, Upper Bucks, Western Chester, and Western Montgomery Counties. WHEN...Until noon EDT Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Chester County

Wednesday, September 2, 2026

1 SPC verified storm report

“Tree down on wires. Time estimated by radar. (PHI)”

SPC verified report · 2 SW Londonderry Twp

Tuesday, September 1, 2026

4 SPC verified storm reports

NEXRAD radar during the Tuesday, September 1, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Significant tree damage was reported across the borough of Parkesburg. Multiple trees were uprooted and blown into wires. A few softwood trees were snapped. Estimated m (PHI)”

SPC verified report · Parkesburg

“EM reports tree down on Pine Swamp Rd in Warwick Twp. Time estimated. (PHI)”

SPC verified report · 2 NW Warwick Twp

Thursday, August 27, 2026

1 SPC verified storm report

NEXRAD radar during the Thursday, August 27, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Tree damage between Oxford and Russellville. Time estimated from radar. (PHI)”

SPC verified report · 1 S Upper Oxford Twp

Thursday, August 20, 2026

5 SPC verified storm reports — 1 tornado report

NEXRAD radar during the Thursday, August 20, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“A brief tornado occurred in East Caln Township. The first damage was noted just south of the intersection of East Lancaster Avenue and Quarry Road... where several smal (PHI)”

SPC verified report · East Caln Twp

“Report and photos via social media of at least 2 trees down along East Pennsylvania Avenue in Downingtown. One felled tree appears to have crushed a shed. Time estimate (PHI)”

SPC verified report · Downington

Saturday, August 8, 2026

1 SPC verified storm report

“Tree blown down onto US1 near the Lincoln University exit. Time estimated from radar. (PHI)”

SPC verified report · 1 NNE Lincoln Universit

Tuesday, July 28, 2026

6 SPC verified storm reports

NEXRAD radar during the Tuesday, July 28, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Tree down on Road at 150 Paradise Street. Time estimated from radar. (PHI)”

SPC verified report · Phoenixville

“Telephone pole down on Kaolin Road near the intersection with Colonial Farm Road. (PHI)”

SPC verified report · New Garden

Tuesday, July 21, 2026

1 SPC verified storm report

“Downed tree on US 322 both directions between NORTH CREEK RD and COPELAND SCHOOL RD. There is a lane restriction. Time estimated from radar. (PHI)”

SPC verified report · East Bradford Twp

Saturday, July 18, 2026

1 SPC verified storm report

“Tree down at Moccasin Run Golf Club. Time estimated from radar. (PHI)”

SPC verified report · 2 S Atglen

Saturday, July 4, 2026

3 SPC verified storm reports — wind gusts up to 62 mph

NEXRAD radar during the Saturday, July 4, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Measured from anemometer. Reported from spotter network. (PHI)”

SPC verified report · 1 NNE East Caln Twp

“Trained Spotter reports several trees and wires down around Coatesville. Time estimated from radar. (PHI)”

SPC verified report · Coatesville

Monday, June 22, 2026

4 SPC verified storm reports — hail up to 1"

NEXRAD radar during the Monday, June 22, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Report from mPING: Quarter (1.00 in.). (PHI)”

SPC verified report · 1 N Upper Uwchlan Twp

“Delayed report. Multiple trees down near Welsh Valley Rd and Yellow Springs Rd. Time estimated from radar. (PHI)”

SPC verified report · 1 WNW Chesterbrook

Saturday, June 6, 2026

3 SPC verified storm reports

“Multiple reports of wires down in East Whiteland Township. Time estimated from radar. (PHI)”

SPC verified report · East Whiteland Twp

“Wires blown down. Time estimated from radar. (PHI)”

SPC verified report · 1 NNW East Fallowfield

Wednesday, May 20, 2026

4 SPC verified storm reports

NEXRAD radar during the Wednesday, May 20, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Downed tree on BRIDGE ST / CHARLESTOWN RD southbound between SWISS LN and HOLLOW RD. There is a traffic disruption. Time estimated from radar. (PHI)”

SPC verified report · 2 NNW Devault

“Picture sent in of a large pine tree down. Time estimated from radar. (PHI)”

SPC verified report · 1 ENE Lenape

Monday, March 16, 2026

6 SPC verified storm reports · 4 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Monday, March 16, 2026 storm activity in Chester County, Pennsylvania
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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.”

NWS severe weather mention · Chester County

“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.”

NWS severe weather mention · Chester County

Tuesday, December 30, 2025

2 NWS warnings — 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.”

NWS severe weather mention · Chester County

“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.”

NWS severe weather mention · Chester County

Friday, December 19, 2025

2 NWS warnings — 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.”

NWS severe weather mention · Chester County

“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.”

NWS severe weather mention · Chester County

Saturday, November 15, 2025

2 NWS warnings — 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.”

NWS severe weather mention · Chester County

“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.”

NWS severe weather mention · Chester County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Chester County, PA?

The most recent recorded event was on Sep 26, 2026. Official NWS and SPC records show 58 severe weather events in Chester County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Did it hail in Chester County recently?

Yes — 1 hail report in the last 12 months, with hail up to 1" recorded. The hail map above shows where reports clustered; the storm log lists each day.

How do I see hail history for a specific address in Chester County?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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