Grand Isle County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026
Has it hailed in Grand Isle County, Vermont recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 8 hail reports with hail up to 1.25", among 25 severe weather events logged here in the last 12 months, together with 17 high-wind reports with gusts up to 63 mph. The most recent recorded storm activity was on Aug 23, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Grand Isle County hail map
Where hail and high-wind reports clustered across Grand Isle County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Storm exposure for an address in Grand Isle 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.
Sunday, August 23, 2026
2 NWS warnings — hail up to 0.5", wind gusts up to 50 mph
“At 645 PM EDT, Doppler radar was tracking a strong thunderstorm over AuSable, or near Keeseville, moving northeast at 35 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 512 PM EDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles north of Mooers to over Peru, or extending from 6 miles north of Mooers Village to 7 miles northwest of Keeseville, moving east at 15 mph. Hazard: Wind gusts up to 40 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Wind 50 mph Grand Isle County NWS severe weather mention
- Hail 0.5" Grand Isle County NWS severe weather mention
Monday, August 10, 2026
2 SPC verified storm reports · 3 NWS warnings — hail up to 0.25", wind gusts up to 63 mph
“At 1122 PM EDT, Doppler radar was tracking a strong thunderstorm over Keeseville, moving east 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 801 PM EDT, Doppler radar was tracking a strong thunderstorm near Peru, moving east 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 63 mph North Hero SPC verified report
- Wind 50 mph Grand Isle County NWS severe weather mention
- Wind 50 mph Grand Isle County NWS severe weather mention
- Hail 0.25" Grand Isle County NWS severe weather mention
- Wind Unknown 2 SSE North Hero State SPC verified report
Saturday, August 8, 2026
3 SPC verified storm reports · 2 NWS warnings — hail up to 1.25"
“Multiple pictures of quarter to half dollar sized hail. (BTV)”
“At 437 PM EDT, Doppler radar was tracking a strong thunderstorm over Colchester, moving east at 25 mph. Hazard: Wind gusts of 50 to 55 mph and nickel 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...”
- Hail 1.25" South Hero SPC verified report
- Hail 0.88" Grand Isle County NWS severe weather mention
- Hail 0.75" Grand Isle County NWS severe weather mention
- Wind Unknown 2 WSW South Hero SPC verified report
- Wind Unknown 2 WSW South Hero SPC verified report
Thursday, August 6, 2026
1 NWS warning — hail up to 0.25"
“At 313 PM EDT, Doppler radar was tracking a strong thunderstorm over AuSable, moving east at 15 mph. Hazard: Wind gusts up to 40 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...”
- Hail 0.25" Grand Isle County NWS severe weather mention
Tuesday, July 28, 2026
1 NWS warning — hail up to 0.5"
“At 428 PM EDT, Doppler radar was tracking a strong thunderstorm over Georgia Center, moving north at 30 mph. Hazard: Wind gusts up to 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Rouses Point, Alburgh Village, St. Albans City, Fairfax, Georgia, Swanton, St.”
- Hail 0.5" Grand Isle County NWS severe weather mention
Thursday, July 16, 2026
1 NWS warning — hail up to 0.25"
“At 1249 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Enosburg to near Ellenburg. Movement was southeast at 30 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. Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.25" Grand Isle County NWS severe weather mention
Friday, May 29, 2026
2 NWS warnings — wind gusts up to 50 mph
“At 646 PM EDT, Doppler radar was tracking gusty showers near South Hero, moving southeast at 40 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 556 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Clinton to near Bellmont to near Stockholm. Movement was southeast at 40 mph. Hazard: Wind gusts up to 50 mph. well as cloud to ground lightning. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Grand Isle County NWS severe weather mention
- Wind 50 mph Grand Isle County NWS severe weather mention
Sunday, April 5, 2026
1 NWS warning — wind gusts up to 55 mph
“WHAT...South winds 20 to 30 mph with gusts up to 55 mph. WHERE...Portions of northern New York and northern Vermont. WHEN...Until 8 AM EDT this morning. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down resulting in isolated to scattered power outages.”
- Wind 55 mph Grand Isle County NWS severe weather mention
Saturday, April 4, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected, localized higher gusts up to 55 mph possible from Malone to Altona. WHERE...Portions of northern New York and northwest Vermont. WHEN...From 8 PM this evening to 8 AM EDT Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down with isolated to scattered power outages possible.”
“WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected. WHERE...Portions of northern New York and northwest Vermont. WHEN...From 8 PM this evening to 8 AM EDT Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. ADDITIONAL DETAILS...Strongest winds are expected between 11 PM and 6 AM.”
- Wind 55 mph Grand Isle County NWS severe weather mention
- Wind 50 mph Grand Isle County NWS severe weather mention
Friday, April 3, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...South winds 20 to 25 mph with gusts up to 50 mph expected. WHERE...Northern New York and Northwestern Vermont WHEN...From 8 PM Saturday to 8 AM EDT 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 Grand Isle County NWS severe weather mention
Tuesday, March 17, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...Southwest to west winds 15 to 30 mph with gusts up to 50 mph. WHERE...Portions of northern New York and central, northeast, northwest, and southern Vermont. WHEN...Until 11 AM EDT this morning. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and isolated power outages could occur.”
- Wind 50 mph Grand Isle County NWS severe weather mention
Monday, March 16, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...South winds 15 to 25 mph with gusts up to 45 to 55 mph. WHERE...Portions of northern New York and Vermont. WHEN...Until 11 AM EDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and isolated power outages could occur.”
“WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph. WHERE...Portions of northern New York and Vermont. WHEN...Until 11 AM EDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Grand Isle County NWS severe weather mention
- Wind 50 mph Grand Isle County NWS severe weather mention
Friday, January 9, 2026
1 NWS warning — wind gusts up to 55 mph
“At 752 PM EST, Doppler radar was tracking gusty showers near Clinton east of Malone , moving northeast at 55 mph. Hazard: Wind gusts to around 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Grand Isle County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Grand Isle County, VT?
The most recent recorded event was on Aug 23, 2026. Official NWS and SPC records show 25 severe weather events in Grand Isle 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 Grand Isle County recently?
Yes — 8 hail reports in the last 12 months, with hail up to 1.25" 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 Grand Isle 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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