Hail in Grainger County, TN
NOAA radar has confirmed 2 hail events of 1 inch or larger in Grainger County since 2025, the largest 1.5″ (half dollar) on September 4, 2025. The most recent confirmed hail was March 21, 2026.
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About Grainger County, TN
Grainger County sits in the Valley and Ridge province of East Tennessee, a land of long parallel ridges and the broad waters of Cherokee Lake. Hail is uncommon in this terrain, where the ridges tend to break up warm-season storms before they organize and stones usually stay small. The Knoxville (KMRX) radar is close by, about 10 miles to the southeast, so the county sits within excellent radar reach.
The hail record for Grainger County, TN
Most confirmed hail in Grainger County falls between spring and early summer, with March the busiest month.
Grainger County is no Plains hot spot, but the storms that do reach it have still dropped hail up to 1.5″.
Common questions
How often does it hail in Grainger County?
NOAA radar has confirmed 2 severe hail events (1 inch or larger) in the Grainger County area since 2025.
When is hail season in Grainger County?
Hail in Grainger County is concentrated in March, within a season that runs spring into early summer.
What's the largest hail recorded in Grainger County?
Radar confirmed 1.5-inch hail, about half dollar size, on September 4, 2025.
Does homeowner's insurance cover hail damage?
Hail is a covered peril under most standard homeowner's policies (typically HO-3), subject to your deductible. Whether you have replacement-cost or actual-cash-value coverage makes a big difference in what's paid out. Your declarations page will say which.
Is Grainger County's hail big enough to damage a roof?
It can be. Asphalt shingles can begin showing functional damage in the ¾-to-1-inch range, and Grainger County's confirmed hail reaches 1.5″. At these sizes damage is often hard to see from the ground, so whether it's a claimable loss depends on shingle type, age, and an inspection.
Did it hail in Grainger County in 2026?
Yes, 1 confirmed hail event so far in 2026, most recently March 21, 2026.
How much does hail roof damage cost to repair?
It ranges widely. Minor repairs can run a few hundred dollars, while a full roof replacement on an average home often runs $8,000–$20,000+ depending on size, pitch, and material. What you actually pay depends on your deductible and whether your policy is replacement-cost or actual-cash-value.
Recent confirmed hail near Grainger County, TN
What this means for your home
Damage can be invisible from the ground
At Grainger County's typical sizes, hail often bruises shingles and loosens granules without obvious holes, shortening roof life in ways that are easy to miss until the next storm or an inspection.
Document before you repair
If you suspect hail damage, photograph it and note the storm's date before making any repairs. Undocumented or already-fixed damage is much harder to claim later.
Get more than one estimate
After a damaging storm, reputable local roofers get busy and out-of-town crews flood in. Get multiple written estimates and verify licensing and local references before signing anything.
Know your hail deductible
Many policies in hail-prone states use a percentage deductible, often 1–2% of the home's insured value rather than a flat dollar amount. On a $400,000 home that can be $4,000–$8,000 out of pocket before coverage starts, so it's worth checking your declarations page before a storm.
Replacement cost vs. actual cash value
An RCV policy pays to replace your roof at today's prices; an ACV policy subtracts depreciation for the roof's age, which can mean a much smaller check on an older roof. Knowing which you carry shapes what a hail claim is actually worth.
Keep a 'before' record
Photos of your roof and exterior in good condition make new hail damage much easier to prove later. A few shots now, before the next storm, can save an argument with an adjuster over what's old wear and what's storm damage.
Before you call your insurer
Get the radar evidence for your address.
A NOAA Radar Evidence Report documents exactly what federal radar recorded at your address - hail size, date, and signature - in a formatted PDF you can attach to a claim. Built entirely from public NOAA data.
Events are NOAA/NWS Severe Thunderstorm Warnings with confirmed hail ≥ 1 inch, matched to this county by the warning centroid. Federal public-domain data. A confirmed event indicates radar-detected hail over the area, not a guarantee of damage to any specific property.