Heads up! Small hail spotted in these regions: Sebring, FL • North Port, FL • Fayetteville, NC • Durham, NC • Champaign, IL • Charlotte, NC • Fort Myers, FL • Lakeland, FL • Mattoon, IL • Owensboro, KY • Evansville, IN • Knoxville, TN • Corpus Christi, TX      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Rock Springs, WY • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT      
HailGeeks
NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in Knox County, ME

Public hail, wind, and tornado reports across Knox County, ME from August 8, 1969 through August 13, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 04862 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
13
Wind Reports
46
Tornado Reports
1
Max Hail Size
1.25″
Source  NOAA SPC · NWS Local Storm Reports Coverage  Knox County, ME · 1969–present Updated  Daily · last Aug 13, 2026

Latest NWS Hail Reports in Knox County

13 reports
Free hail report for your home →
1.25″ hail
Sep 24, 2019
7:50 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: PUBLIC REPORTED ANYWHERE BETWEEN PENNY AND HALF DOLLAR SIZE HAIL ON NORTHERN PORTION OF NORTH HAVEN
NWS Hail Report Location: 2 N North Haven, ME
1.00″ hail
Sep 24, 2019
7:50 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 NE North Haven, ME
1.00″ hail
Sep 24, 2019
7:50 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 NE North Haven, ME
1.00″ hail
Sep 24, 2019
7:50 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 N North Haven, ME
1.00″ hail
Sep 24, 2019
7:15 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Rockland, ME
1.00″ hail
Sep 24, 2019
6:55 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 N Thomaston, ME
1.00″ hail
Sep 24, 2019
6:55 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: PENNY TO QUARTER SIZED HAIL. PILED UP SEVERAL INCHES IN SPOTS
NWS Hail Report Location: 2 E Warren, ME
1.00″ hail
Aug 6, 2016
8:15 PM UTC
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: NICKEL TO QUARTER SIZE HAIL NEAR ROUTE 131
NWS Hail Report Location: Saint George, ME
0.88″ hail
Jul 6, 2007
12:35 PM EST-5
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: A severe thunderstorm produced .88 inch hail in Warren.
NWS Hail Report Location: N Warren, ME
0.75″ hail
Jul 6, 2007
12:24 PM EST-5
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: A severe thunderstorm produced .75 inch hail in Thomaston.
NWS Hail Report Location: N Thomaston, ME
0.75″ hail
Jun 8, 1999
1:40 PM EST
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Hope, ME
0.75″ hail
Jul 8, 1996
3:35 PM EST
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Washington, ME
0.75″ hail
Jul 18, 1986
2:45 PM CST
Hail report for Knox County, ME
Knox County · 19,376 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Not provided, ME
Showing 13 of 13
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 Knox County

30 reports
Free hail report + wind check →
UNK mph
Aug 13, 2026
8:25 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Powerlines down across the road. Route 220 is closed.
NWS Wind Report Location: 3 Ssw Washington, ME
UNK mph
Aug 13, 2026
8:21 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Tree on wires.
NWS Wind Report Location: 3 Nne Jefferson, ME
UNK mph
Jul 16, 2026
6:30 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Large ship pushed by thunderstorm winds pushed away from dock... then pulled the dock and pilings out. Another boat was pushed into safe harbor dock house.
NWS Wind Report Location: Rockland, ME
UNK mph
Jul 16, 2026
6:20 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Tree down on car in area of 14 Meadow Street. Time estimated from radar.
NWS Wind Report Location: Rockport, ME
UNK mph
Jul 16, 2026
6:17 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Tree branches on Route 105. Time estimated from radar.
NWS Wind Report Location: 1 N Camden, ME
UNK mph
Jul 16, 2026
6:13 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Trees down throughout Union... ME. Time estimated from radar.
NWS Wind Report Location: Union, ME
UNK mph
Jul 16, 2026
6:08 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Wires down on Bucketville Road. Time estimated from radar.
NWS Wind Report Location: Appleton, ME
UNK mph
Jun 24, 2024
1:14 AM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Tree and wires on road... blocking one lane. Time estimated by radar.
NWS Wind Report Location: 1 E Thomaston, ME
UNK mph
Jun 20, 2024
9:50 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Delayed report... time estimated from radar. Tree and wires down in Warren with a tree on a home.
NWS Wind Report Location: 3 NE Warren, ME
UNK mph
Jun 20, 2024
9:30 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: Delayed report... time estimated by radar. Trees down on wires in Union... ME.
NWS Wind Report Location: Union, ME
UNK mph
Jul 25, 2022
11:26 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: DELAYED REPORT. LARGE TREE DOWN WHICH RESULTED IN A CAR ACCIDENT. TIME ESTIMATED BASED ON RADAR.
NWS Wind Report Location: 1 WNW Thomaston, ME
UNK mph
Jun 17, 2022
6:10 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: DELAYED REPORT...WIRES DOWN ACROSS ROADWAY. TIME ESTIMATED WITH RADAR.
NWS Wind Report Location: Saint George, ME
UNK mph
Aug 14, 2021
7:10 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: CORRECTS PREVIOUS NON-TSTM WND DMG REPORT FROM 2 SW THOMASTON. TREE DOWN BLOCKING RIVER RD IN CUSHING. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 SW Thomaston, ME
UNK mph
Aug 25, 2020
8:30 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: TREES AND BRANCHES DOWN ALL OVER TOWN. POWER OUT.
NWS Wind Report Location: South Thomaston, ME
UNK mph
Aug 25, 2020
8:20 PM UTC
Wind report for Knox County, ME
Knox County · 19,376 Homes in County
Wind Report Description: CORRECTS SOURCE OF PREVIOUS TSTM WND DMG REPORT FROM 1 ENE THOMASTON. TREE DOWN AND BLOCKING ROADWAY ON OLD COUNTY RD. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 ENE Thomaston, ME
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 Knox County

1 reports
UNK category
Aug 8, 1969
10:00 PM CST
Tornado report for Knox County, ME
Knox County · 19,376 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, ME
Showing 1 of 1
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 Knox County on the Interactive Map

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Hail
Wind
Tornado

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Browse Cities with NWS Storm Reports in Knox County

Camden, ME 25
Hail, wind & tornado reports
Rockland, ME 19
Hail, wind & tornado reports
Thomaston, ME 16
Hail, wind & tornado reports

NWS Storm Reports & Census Data

U.S. Census Data · County

Knox County, ME area census snapshot

People & households
Population40,860
Households17,979
Housing units24,428
Income
Median household income$71,903
$100k+ households38.8%
$150k+ households12.5%
Housing stock
Single-family detached19,376
Attached single-family457
Small multifamily2,390
Large multifamily696
Mobile homes1,495
Housing mix
Single-family share79.3%
Attached-home share1.9%
Multifamily share12.6%
Mobile-home share6.1%
Ownership & occupancy
Owner-occupied14,120
Renter-occupied3,859
Vacant units6,449
Home value & age
Median home value$290,800
Owner homes $300k+47.9%
Owner homes $500k+21.5%
Owner homes $750k+9.5%
Median year built1973
Older-home share58.1%
Vehicle context
Households with cars16,883
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 Knox County

04862 10
ME Hail, wind & tornado reports
04574 9
ME Hail, wind & tornado reports
04843 7
Camden, ME Hail, wind & tornado reports
04861 6
Thomaston, ME Hail, wind & tornado reports
04856 5
ME Hail, wind & tornado reports
04853 4
ME Hail, wind & tornado reports
04860 4
ME Hail, wind & tornado reports
04864 4
ME Hail, wind & tornado reports
04841 3
Rockland, ME Hail, wind & tornado reports
04847 3
ME Hail, wind & tornado reports
04563 1
ME Hail, wind & tornado reports
04854 1
ME Hail, wind & tornado reports
04858 1
ME Hail, wind & tornado reports
04859 1
ME Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in Knox 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 Knox County have on record?

Our records show 13 hail, 46 wind, and 1 tornado reports in Knox County, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 13, 2026.

What is the largest hail ever reported in Knox County?

The largest hail size in these storm-report records in Knox County is 1.25″. It was reported near North Haven, ME on September 24, 2019.

A storm report showed up near my home in Knox 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 Knox County and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in Knox 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 Knox County address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in Knox 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 Knox County address?

Use the address search to pull a free address-level hail report for any property in Knox 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 Knox County, ME, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in Knox 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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