Union County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Looking for storm and wind reports in Union County, Pennsylvania? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 18 severe weather events in the last 12 months — 16 high-wind reports with gusts up to 55 mph, plus 2 hail reports with hail up to 0.25". The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Last 30 days in Union County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — free →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.
Monday, August 10, 2026
1 NWS warning — wind gusts up to 50 mph
“At 155 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles southeast of Canton to Milton. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Union County NWS severe weather mention
Sunday, August 2, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1058 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 13 miles southeast of Bellefonte to 11 miles south of Lewistown to Breezewood. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Union County NWS severe weather mention
Tuesday, July 28, 2026
1 NWS warning — hail up to 0.25"
“At 320 AM EDT, Doppler radar was tracking the leading edge of a multiple county area of strong thunderstorms along a line extending from near Williamsport to Danville to Shamokin to 17 miles southwest of Kulpmont. Movement was east northeast at 20 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Hail 0.25" Union County NWS severe weather mention
Saturday, July 18, 2026
2 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“At 725 PM EDT, Doppler radar was tracking a strong thunderstorm over Jersey Shore, moving southeast at 55 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 550 PM EDT, Doppler radar was tracking a strong thunderstorm over Mifflinburg, moving east at 30 mph. Hazard: Wind gusts of 50 to 55 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”
- Wind 50 mph Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Friday, July 10, 2026
1 NWS warning — wind gusts up to 50 mph
“At 502 PM EDT, Doppler radar was tracking a strong thunderstorm near Milton, moving southeast at 25 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Union County NWS severe weather mention
Saturday, July 4, 2026
1 NWS warning — wind gusts up to 55 mph
“At 726 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Rebersburg to Poe Valley State Park to Lewistown. Movement was northeast at 35 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Union County NWS severe weather mention
Friday, July 3, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1128 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Mifflinburg to 20 miles west of Selinsgrove to 13 miles northeast of Lewistown. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near...”
- Wind 50 mph Union County NWS severe weather mention
Thursday, June 18, 2026
1 NWS warning — wind gusts up to 55 mph
“At 1000 AM EDT, Doppler radar was tracking a strong thunderstorm over Mifflinburg, moving east at 65 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Union County NWS severe weather mention
Sunday, June 14, 2026
1 NWS warning — wind gusts up to 55 mph
“At 845 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Millheim to Belleville to Martinsburg. Movement was east at 25 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Union County NWS severe weather mention
Saturday, June 6, 2026
1 SPC verified storm report
- Wind Unknown Forest Hill SPC verified report
Saturday, March 14, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 15 to 25 mph with gusts up to 50 mph. WHERE...A portion of central Pennsylvania. WHEN...Until 2 PM EDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. ADDITIONAL DETAILS...Winds will gradually taper off through the day.”
- Wind 50 mph Union County NWS severe weather mention
Friday, March 13, 2026
5 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 10 to 25 mph with gusts up to 50 mph. WHERE...A portion of central Pennsylvania. WHEN...Until 11 AM EDT Saturday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...West winds 10 to 25 mph with gusts up to 50 mph. WHERE...A portion of central Pennsylvania. WHEN...Until 11 AM EDT 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 Union County NWS severe weather mention
- Wind 50 mph Union County NWS severe weather mention
- Wind 50 mph Union County NWS severe weather mention
- Wind 50 mph Union County NWS severe weather mention
- Wind 50 mph Union County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Union County, PA?
The most recent recorded event was in September 2026. Official NWS and SPC records show 18 severe weather events in Union 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 Union County recently?
Yes — 2 hail reports in the last 12 months, with hail up to 0.25" 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.