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NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in Jefferson County, NY

Public hail, wind, and tornado reports across Jefferson County, NY from July 28, 1958 through August 14, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 13601 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
26
Wind Reports
307
Tornado Reports
5
Max Hail Size
1.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  Jefferson County, NY · 1958–present Updated  Daily · last Aug 14, 2026

Latest NWS Hail Reports in Jefferson County

26 reports
Free hail report for your home →
1.50″ hail
Jun 26, 2026
9:53 AM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: Social media reports. Hail damage to several vehicles and crop damage to a corn field.
NWS Hail Report Location: 1 NNE Ellisburg, NY
1.00″ hail
Jun 26, 2026
9:52 AM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: Several social media reports of large hail up to 1 inch in diameter relayed by a trained spotter. Location approximate... time based on radar.
NWS Hail Report Location: 1 NNE Ellisburg, NY
1.00″ hail
Mar 29, 2020
9:22 PM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: TIME BASED ON RADAR
NWS Hail Report Location: 3 NW Antwerp, NY
1.50″ hail
Aug 15, 2018
9:06 PM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: ESTIMATED JUST SMALLER THAN A GOLF BALL... CARS DENTED. TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: 2 SW Fishers Landing, NY
1.75″ hail
Aug 15, 2018
9:06 PM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: REPORT FROM RESTAURANT DIRECTLY ON THE WATERS EDGE. TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: Fishers Landing, NY
1.00″ hail
Aug 4, 2017
9:55 PM UTC
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 NNW Adams, NY
1.00″ hail
May 21, 2013
12:30 AM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.21 NE Pierrepont Manor, NY
0.75″ hail
Jul 10, 2012
12:15 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .85 SW Watertown, NY
1.00″ hail
May 29, 2012
2:30 AM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.21 SW Black River, NY
0.75″ hail
Jul 21, 2010
5:33 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.47 SSE Sackets Harbor, NY
0.75″ hail
Jul 21, 2010
5:15 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.47 SSE Sackets Harbor, NY
1.00″ hail
Jul 21, 2010
3:05 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: Winds were estimated to 60 mph as well.
NWS Hail Report Location: .85 NW Clayton, NY
1.75″ hail
Jul 21, 2010
3:00 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: Large trees were downed in addition to the hail.
NWS Hail Report Location: 2.49 NNE St Lawrence, NY
0.75″ hail
Jul 7, 2009
11:00 AM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .48 ESE Theresa, NY
0.88″ hail
Jul 6, 2007
3:15 PM EST-5
Hail report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 SE Evans Mills, NY
Showing 15 of 26
Hail Damage Risk for Your Home +

Hail reports describe hail by diameter, often comparing stone size to familiar objects like peas, quarters, golf balls, and softballs. Use this guide as a starting point for possible hail damage to your roof, siding, gutters, vents, windows, and exterior. Actual hail damage depends on hail hardness, density, wind speed, impact angle, roof age, shingle condition, roof pitch, roofing material, installation quality, and prior storm damage.

Pea
0.25″
Low

Usually too small to cause hail damage to most sound asphalt roofs, siding, or gutters.

Mothball
0.50″
Sub-Severe Watch

Below the NWS severe-hail threshold, but not always harmless. Repeated small hail can scuff surfaces, wear aging shingles, and loosen protective granules over time.

Penny
0.75″
Minor / Watch

Below the NWS severe-hail threshold, but roof hail damage is still possible on older, brittle, poorly installed, or previously damaged shingles. May also mark screens, vents, gutters, and soft metal.

Nickel
0.88″
Minor / Watch

Still below the severe-hail threshold, but large enough to leave visible marks on soft metal and add wear to older or hail-weakened roof shingles.

Quarter
1.00″
Watch

The NWS severe-hail threshold. Quarter-size hail can bruise shingles, dent soft metal, and create roof hail damage worth checking.

Half Dollar
1.25″
Watch

More likely to dent gutters, vents, flashing, and siding. Hail damage risk rises quickly on older roofs or hail-weakened shingles.

Ping Pong / Walnut
1.50″
Likely

Hail damage becomes more likely, including bruised shingles, granule loss, dented siding, and damaged roof vents.

Golf Ball
1.75″
Likely

Often causes roof hail damage, cracked shingles, dented gutters, damaged flashing, and siding impacts. A roof inspection is recommended.

Hen Egg
2.00″
Serious

Can crack or puncture shingles, expose mat, dent siding, and cause widespread hail damage across the roof and exterior.

Tennis Ball
2.50″
Serious

Can cause heavy roof hail damage, punctured siding, broken skylights, damaged vents, and widespread exterior damage.

Baseball
2.75″
Major

Major hail damage is likely, including severe roof impacts, damaged siding, broken windows, and possible major roof repairs.

Tea Cup / Large Apple
3.00″
Major

Can cause heavy hail damage across the roof, siding, gutters, windows, and exterior. Significant repairs are often needed.

Softball
4.00″
Extreme

Destructive hail damage. Can severely damage roofing materials, siding, windows, gutters, vents, vehicles, and exterior surfaces.

Grapefruit
4.50″
Extreme

Catastrophic hail damage risk for roofs, windows, vehicles, siding, gutters, and exterior surfaces.

Source: NOAA / National Weather Service hail size references are used for hail-size comparisons and the 1.00″ severe-hail threshold. Damage descriptions are general homeowner guidance, not official NOAA/NWS damage ratings. Sub-severe hail under 1.00″ is below the severe threshold, but that does not mean “no roof damage.” Penny- to nickel-size hail can still contribute to granule loss, cosmetic surface marks, and added wear, especially on older, brittle, poorly installed, or previously damaged roofs.

Latest NWS Wind Reports in Jefferson County

30 reports
Free hail report + wind check →
UNK mph
Aug 14, 2026
7:42 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Multiple reports of trees in Carthage.
NWS Wind Report Location: 1 N West Carthage, NY
UNK mph
Aug 14, 2026
7:27 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Multiple trees down in Natural Bridge.
NWS Wind Report Location: 1 Nnw Natural Bridge, NY
UNK mph
Jul 2, 2026
12:34 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Numerous reports of trees and wires downed in the Town of Le Ray.
NWS Wind Report Location: 1 ESE Evans Mills, NY
UNK mph
Jul 2, 2026
12:26 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Numerous reports of trees and wires downed in Theresa.
NWS Wind Report Location: Theresa, NY
UNK mph
Jul 2, 2026
12:10 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Trees and wires downed in the Town of Clayton. Time estimated by radar.
NWS Wind Report Location: Clayton, NY
UNK mph
Jul 2, 2026
12:10 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Trees and wires downed in the town of Alexandria Bay. Time estimated by radar.
NWS Wind Report Location: Alexandria Bay, NY
UNK mph
Jul 1, 2026
3:53 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Report of a few trees and wires downed in the Town of Champion.
NWS Wind Report Location: 4 WSW West Carthage, NY
UNK mph
Jun 30, 2026
5:41 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Large tree branch down.
NWS Wind Report Location: 3 ESE Adams Center, NY
UNK mph
Jun 30, 2026
5:32 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Large branch down.
NWS Wind Report Location: Sackets Harbor, NY
UNK mph
Jun 30, 2026
5:12 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Widespread trees and power lines down in the Cape Vincent area.
NWS Wind Report Location: Cape Vincent, NY
UNK mph
Jun 30, 2026
5:11 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Widespread trees and power lines down in the Clayton area.
NWS Wind Report Location: Clayton, NY
UNK mph
Sep 4, 2025
6:30 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Tree down down on Alexander Street.
NWS Wind Report Location: 1 SE Fort Drum, NY
UNK mph
Sep 4, 2025
6:14 PM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Tree down on Dog Hill Rd.
NWS Wind Report Location: 4 SSE La Fargeville, NY
UNK mph
Jun 22, 2025
7:00 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Tree down and blocking half the road on county road 91.
NWS Wind Report Location: 2 NNE Mannsville, NY
UNK mph
Jun 22, 2025
6:56 AM UTC
Wind report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Wind Report Description: Tree down along Mixer Road.
NWS Wind Report Location: 4 SSE Henderson, NY
Showing 15 of 30
Wind Damage Risk for Your Home +

Storm reports list thunderstorm wind gusts in mph. The NWS marks storms as severe at 58+ mph, but wind damage to your home depends on roof age, shingle condition, installation, exposure, nearby trees, and prior hail or wind damage.

Below Severe
Under 58 mph
Minor

Usually little damage to a sound roof, but loose shingles, flashing, or debris may shift.

Severe
58–74 mph
Watch

Can loosen shingles, lift flashing, break limbs, and damage gutters, siding, fences, or trim.

Damaging
75–90 mph
Serious

Can peel shingles, damage vents, tear siding, rip gutters, and expose weak roof areas.

Extreme
90+ mph
Major

Can cause major roof covering loss, tree damage, broken windows, and structural damage.

Source: NOAA / National Weather Service storm reports. Gusts may be measured or estimated; actual wind damage varies by roof condition, exposure, and prior hail or wind damage.

Latest NWS Tornado Reports in Jefferson County

5 reports
UNK category
Sep 9, 2024
9:17 PM UTC
Tornado report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Tornado Report Description: Satellite imagery confirmed tornadic damage from September 9. Time estimated from radar. This is the end location of tornado.
NWS Tornado Report Location: 2 S Worth, NY
UNK category
Sep 9, 2024
9:15 PM UTC
Tornado report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Tornado Report Description: Satellite imagery confirmed tornadic damage from September 9. Time estimated from radar. This is the start location of tornado.
NWS Tornado Report Location: 2 S Worth, NY
F0 category
Aug 5, 2003
1:57 PM EST
Tornado report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Le Raysville, NY
F1 category
Aug 28, 1983
4:30 PM CST
Tornado report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, NY
F1 category
Jul 1, 1959
9:30 PM CST
Tornado report for Jefferson County, NY
Jefferson County · 34,723 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, NY
Showing 5 of 5
Tornado Damage Risk for Your Home +

After a tornado, the National Weather Service assigns an EF rating from EF0 to EF5 based on surveyed damage. The rating estimates wind speed from what the tornado damaged, so actual damage can vary by construction quality, roof age, garage doors, windows, trees, debris, and how close the home was to the tornado path.

EF0
65–85 mph
Light

Can peel shingles, damage gutters or siding, break tree limbs, and toss loose outdoor items.

EF1
86–110 mph
Moderate

Can strip roof covering, damage exterior doors, break windows, snap trees, and cause heavier siding or gutter damage.

EF2
111–135 mph
Serious

Can tear off large sections of roofing, break or uproot trees, destroy weaker structures, and cause major exterior damage.

EF3–EF5
136+ mph
Severe

Can remove roofs and walls, destroy large portions of homes, toss vehicles, and cause severe to total destruction near the path.

Source: NOAA / National Weather Service. EF ratings are assigned after a post-storm damage survey and are based on observed damage, not a direct measurement at every home.

NWS Hail, Wind and Tornado Reports in Jefferson County on the Interactive Map

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Browse Cities with NWS Storm Reports in Jefferson County

Watertown, NY 46
Hail, wind & tornado reports
Adams, NY 23
Hail, wind & tornado reports
Sackets Harbor, NY 22
Hail, wind & tornado reports
Clayton, NY 20
Hail, wind & tornado reports
Alexandria Bay, NY 17
Hail, wind & tornado reports
Adams Center, NY 14
Hail, wind & tornado reports
Carthage, NY 13
Hail, wind & tornado reports
Antwerp, NY 12
Hail, wind & tornado reports
Brownville, NY 12
Hail, wind & tornado reports
Ellisburg, NY 12
Hail, wind & tornado reports
La Fargeville, NY 12
Hail, wind & tornado reports
Cape Vincent, NY 11
Hail, wind & tornado reports
Dexter, NY 10
Hail, wind & tornado reports
Henderson, NY 10
Hail, wind & tornado reports
Mannsville, NY 9
Hail, wind & tornado reports
Lorraine, NY 8
Hail, wind & tornado reports

NWS Storm Reports & Census Data

U.S. Census Data · County

Jefferson County, NY area census snapshot

People & households
Population116,130
Households46,701
Housing units61,721
Income
Median household income$64,978
$100k+ households39.0%
$150k+ households14.3%
Housing stock
Single-family detached34,723
Attached single-family4,203
Small multifamily11,816
Large multifamily3,930
Mobile homes7,037
Housing mix
Single-family share56.3%
Attached-home share6.8%
Multifamily share25.5%
Mobile-home share11.4%
Ownership & occupancy
Owner-occupied25,278
Renter-occupied21,423
Vacant units15,020
Home value & age
Median home value$181,000
Owner homes $300k+18.6%
Owner homes $500k+5%
Owner homes $750k+2.1%
Median year built1972
Older-home share56.8%
Vehicle context
Households with cars42,125
Free hail maps

This snapshot is for local area context only and describes the selected state, county, city, or ZIP area — not a specific home or property. For ZIP-level estimated hail impact, use Free Hail Maps to generate a hail report with key impact details for that ZIP.

Top ZIP Codes with NWS Storm Reports in Jefferson County

13601 50
Watertown, NY Hail, wind & tornado reports
13642 30
Hailesboro, NY Hail, wind & tornado reports
13619 28
Great Bend, NY Hail, wind & tornado reports
13606 23
Adams Center, NY Hail, wind & tornado reports
13605 22
Adams, NY Hail, wind & tornado reports
13624 22
Clayton, NY Hail, wind & tornado reports
13634 21
Dexter, NY Hail, wind & tornado reports
13685 18
Sackets Harbor, NY Hail, wind & tornado reports
13646 17
Hammond, NY Hail, wind & tornado reports
13608 15
Antwerp, NY Hail, wind & tornado reports
13656 14
Depauville, NY Hail, wind & tornado reports
13607 13
Alexandria Bay, NY Hail, wind & tornado reports
13618 12
Cape Vincent, NY Hail, wind & tornado reports
13650 11
Henderson, NY Hail, wind & tornado reports
13661 9
Mannsville, NY Hail, wind & tornado reports
13665 9
Natural Bridge, NY Hail, wind & tornado reports
13691 8
Theresa, NY Hail, wind & tornado reports
13602 7
Fort Drum, NY Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in Jefferson County? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.

Frequently asked questions

for homeowners, buyers & sellers
How many hail, wind, and tornado reports does Jefferson County have on record?

Our records show 26 hail, 307 wind, and 5 tornado reports in Jefferson County, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 14, 2026.

What is the largest hail ever reported in Jefferson County?

The largest hail size in these storm-report records in Jefferson County is 1.75″. It was reported near Fishers Landing, NY on August 15, 2018.

A storm report showed up near my home in Jefferson County — does that mean my roof is damaged?

Not necessarily. A storm report only means hail, wind, or a tornado was observed nearby; it does not confirm damage at any specific address, and conditions change from block to block. Check an address-level hail report first, and if it looks significant, find a local pro that serves Jefferson County and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in Jefferson County — why should I look at its storm history?

Recent hail or wind can leave a roof or exterior with damage that is easy to miss during a walkthrough, and a recent roof replacement is sometimes an insurance job after a storm. Reviewing the storm history for a Jefferson County address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in Jefferson County — how does this help me?

Knowing the storm history for your address lets you answer buyer questions with confidence, document repairs you have already made, and decide whether a pre-listing roof check is worthwhile. A clear hail history removes a common sticking point during negotiations.

How do I check hail history for a specific Jefferson County address?

Use the address search to pull a free address-level hail report for any property in Jefferson County — no phone number or email required. It shows recent hail activity for that address so you know whether a closer roof or exterior review makes sense.

Where does this storm report data come from, and what are its limits?

Storm reports on this page are public reports from storm events across Jefferson County, NY, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in Jefferson County, but they do not confirm damage at any specific property. Report locations, sizes, and times may be approximate and can vary from what an individual home experienced. For property-specific hail history, use an address-level hail report or contact a participating local professional for a remote hail inspection. Pros inclusion is not an endorsement, and contacting a professional does not confirm damage at any property.

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