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New Hampshire · Official NOAA Storm Data

Grafton County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026

Has it hailed in Grafton County, New Hampshire recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 5 hail reports with hail up to 1.5", among 29 severe weather events logged here in the last 180 days, together with 24 high-wind reports with gusts up to 50 mph. The most recent recorded storm activity was on Aug 3, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

29
Events (180d)
5
Hail
24
Wind
0
Tornado
1.5"
Max hail
50
Max wind (mph)
Aug 3, 2026
Most recent

What the radar showed

Radar snapshot during the Jul 13, 2026 hail event near Bethlehem, Grafton County, New Hampshire, with NWS warning polygons
NEXRAD radar at the moment of the Jul 13, 2026 hail event (1.5") near Bethlehem. 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.

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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 3, 2026

2 SPC verified storm reports

NEXRAD radar during the Monday, August 3, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Relayed Social media photos of downed trees on Benton Rd (NH-116). Time estimated from radar. (GYX)”

SPC verified report · 2 E Newbury

“Tree and wires down blocking Under The Mountain Rd in Lyman. Time estimated from radar. (GYX)”

SPC verified report · 5 NNW Lisbon

Thursday, July 16, 2026

1 SPC verified storm report

“Wires down on Stonecrest Drive. Time estimated from radar. (GYX)”

SPC verified report · 5 NNE Piermont

Monday, July 13, 2026

1 SPC verified storm report — hail up to 1.5"

NEXRAD radar during the Monday, July 13, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Ping-pong size hail in Bethlehem started at 930pm and fell for about 6 mins. Noticed shredded leaves and large branches strewn around. Garbage barrels knocked over on M (GYX)”

SPC verified report · Bethlehem

Thursday, July 2, 2026

2 SPC verified storm reports — hail up to 1"

NEXRAD radar during the Thursday, July 2, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“One-inch hailstones at Tewksbury Pond boat launch. Hail fell for ~5-6 mins. No damage noted. (GYX)”

SPC verified report · 3 S Orange

“Healthy trees snapped... 12 inches in diameter. (GYX)”

SPC verified report · 1 SE Canaan

Wednesday, July 1, 2026

2 NWS warnings — hail up to 0.75"

NEXRAD radar during the Wednesday, July 1, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1148 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Calais to near Orange. Movement was northeast at 40 mph. Hazard: Wind gusts up to 50 mph and penny 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...”

NWS severe weather mention · Grafton County

“At 1148 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Calais to near Orange. Movement was northeast at 40 mph. Hazard: Wind gusts up to 50 mph and penny 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...”

NWS severe weather mention · Grafton County

Tuesday, June 30, 2026

4 SPC verified storm reports

NEXRAD radar during the Tuesday, June 30, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Lyme Fire Dept Social media photos of a large elm tree on top of a half crushed car. (GYX)”

SPC verified report · 2 NE Lyme

“Two trees down near the Airport Rd and NH Hwy 116 split; reports of power outages. (GYX)”

SPC verified report · 2 E Newbury

Thursday, June 18, 2026

4 SPC verified storm reports

NEXRAD radar during the Thursday, June 18, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Bristol Fire reporting multiple trees and powerlines down in the area of Hemlock Brook Rd. Time estimated by radar. (GYX)”

SPC verified report · 3 N Bristol

“Wires down blocking Old North Groton Road in Rumney... NH. (GYX)”

SPC verified report · 1 WSW Rumney

Friday, June 5, 2026

3 SPC verified storm reports

“Two trees down on Interstate 93 north... blocking several lanes. (GYX)”

SPC verified report · 1 NNE Plymouth

“Delayed report. Trees down across the village of West Rumney; Railroad Track Rd and Sandhill Rd were closed at time of observation; reports of numerous power outages. (GYX)”

SPC verified report · 3 W Rumney

Tuesday, May 5, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Tuesday, May 5, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 447 PM EDT, Doppler radar was tracking gusty showers along a line extending from 6 miles south of Colebrook to near Wells River Village. Movement was northeast at 65 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Grafton County

Wednesday, April 15, 2026

3 SPC verified storm reports — hail up to 1.5"

NEXRAD radar during the Wednesday, April 15, 2026 storm activity in Grafton County, New Hampshire
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Hail up to 1.5 inches in North Haverhill on Route 10. Spotter ID: HL590. (GYX)”

SPC verified report · 4 S Woodsville

“Delayed report. Trees and several large branches partially blocking sections of Lost River Road... stretching from NH HWY 116 east to the Wildwood Campground. (GYX)”

SPC verified report · 5 W Lincoln

Tuesday, March 17, 2026

6 NWS warnings — wind gusts up to 50 mph

“WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph. WHERE...Northern Carroll, Northern Coos, Northern Grafton, Southern Carroll, Southern Coos, and Southern Grafton Counties. WHEN...Until 9 AM EDT this morning. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and power outages may result.”

NWS severe weather mention · Grafton County

“WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph. WHERE...Northern Carroll, Northern Coos, Northern Grafton, Southern Carroll, Southern Coos, and Southern Grafton Counties. WHEN...Until 9 AM EDT this morning. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and power outages may result.”

NWS severe weather mention · Grafton 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 Grafton County, NH?

The most recent recorded event was on Aug 3, 2026. Official NWS and SPC records show 29 severe weather events in Grafton County over the last 180 days. Exact dates and locations for recent storms are available in the app with a free account.

Has there been hail in Grafton County recently?

Yes — 5 hail reports in the last 180 days, with hail up to 1.5" 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.

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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 our HailyDB engine 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.