IDOLCheck logo
IDOLCheck Storm Activity
Official NOAA, NWS & SPC storm data
Live Latest verified storm reports across the US → Get these as alerts →
Looking up a specific address? Check it free in the app →
Storm ActivityNew Hampshire Storm ActivityCoos County, NH
New Hampshire · Official NOAA Storm Data

Coos County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026

Has it hailed in Coos County, New Hampshire recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 8 hail reports with hail up to 1.5", among 29 severe weather events logged here in the last 12 months, together with 21 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 Coos County, New Hampshire showing the county boundary and surrounding cities
Coos County, New Hampshire. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

29
Events (12 mo)
8
Hail
21
Wind
0
Tornado
1.5"
Max hail
50
Max wind (mph)
Aug 3, 2026
Most recent

What the radar showed

Radar snapshot during the Apr 15, 2026 hail event near 3 SE Dummer, Coos County, New Hampshire, with NWS warning polygons
NEXRAD radar at the moment of the Apr 15, 2026 hail event (1.5") near 3 SE Dummer. 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.

Check an address in Coos County for storm exposure

See address-level storm activity — verified reports and warning boundaries around any specific property. Free account, takes under a minute.

Check an address 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 3, 2026

2 SPC verified storm reports

NEXRAD radar during the Monday, August 3, 2026 storm activity in Coos 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.

“OBSERVED MULTIPLE TREES DOWN JUST OFF THE EASTBOUND SHOULDER OF STARK HIGHWAY (NH 110). (GYX)”

SPC verified report · 1 W Stark

“Observed utility poles downed on Craggy Road in Groveton. Time estimated from radar. (GYX)”

SPC verified report · 1 W Groveton

Thursday, July 16, 2026

3 SPC verified storm reports

NEXRAD radar during the Thursday, July 16, 2026 storm activity in Coos 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.

“Large tree partially blocking North Rd. Trees and branches on wires. (GYX)”

SPC verified report · 4 ENE Shelburne

“Trees on wires along US-3 near Dean Brook Road. (GYX)”

SPC verified report · 1 E Guildhall

Tuesday, July 14, 2026

2 SPC verified storm reports · 2 NWS warnings — hail up to 1"

NEXRAD radar during the Tuesday, July 14, 2026 storm activity in Coos 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 926 AM EDT, Doppler radar was tracking a strong thunderstorm 17 miles north of Norton, or 28 miles northwest of Colebrook, moving southeast at 50 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...”

NWS severe weather mention · Coos County

“At 926 AM EDT, Doppler radar was tracking a strong thunderstorm 17 miles north of Norton, or 28 miles northwest of Colebrook, moving southeast at 50 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...”

NWS severe weather mention · Coos County

Monday, July 13, 2026

2 SPC verified storm reports

NEXRAD radar during the Monday, July 13, 2026 storm activity in Coos 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.

“A LARGE TREE DOWN NEAR ENTRANCE TO THE BRETTON WOODS INN. (GYX)”

SPC verified report · 6 ESE Carroll

“Trained spotter observed several trees down in Carroll. (GYX)”

SPC verified report · 2 S Carroll

Thursday, July 9, 2026

3 SPC verified storm reports — hail up to 1.25"

NEXRAD radar during the Thursday, July 9, 2026 storm activity in Coos 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 in Lancaster at Soldiers Park. (GYX)”

SPC verified report · Lancaster

“Hail in Jefferson; minor damage to trees. (GYX)”

SPC verified report · Jefferson

Wednesday, July 8, 2026

1 SPC verified storm report

“Damage at a campground to include numerous trees blown... collapse of covered patio building area... 5th-wheel campers blown over and additional damage to pool area. (GYX)”

SPC verified report · 1 WNW Lancaster

Wednesday, July 1, 2026

1 NWS warning — hail up to 0.75"

NEXRAD radar during the Wednesday, July 1, 2026 storm activity in Coos 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 · Coos County

Tuesday, June 30, 2026

1 SPC verified storm report

“Downed tree on Reed Rd. Large branches on wires. (GYX)”

SPC verified report · 2 S Lancaster

Tuesday, May 5, 2026

1 SPC verified storm report · 2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Tuesday, May 5, 2026 storm activity in Coos 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 · Coos County

“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 · Coos 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 Coos 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.

“Off-duty EMS Observed hail measured 1.5 inches in Dummer. Hail began at 8:20. (GYX)”

SPC verified report · 3 SE Dummer

“Quarter-sized hail in Groveton near intersection of Main Street and US Highway 3. (GYX)”

SPC verified report · Groveton

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 · Coos 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 · Coos 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 Coos County, NH?

The most recent recorded event was on Aug 3, 2026. Official NWS and SPC records show 29 severe weather events in Coos 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 Coos County recently?

Yes — 8 hail reports in the last 12 months, 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.

Most active New Hampshire counties

← All New Hampshire counties

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.
Storm report · just in