Hail in Knox County, MO
Hail turns up in Knox County on a regular basis. NOAA radar has confirmed 7 hail events of 1 inch or larger in Knox County since 2025, the largest 1.8″ (golf ball) on August 9, 2025. The most recent confirmed hail was June 11, 2026.
Did hail hit your exact address?
This page covers the whole area. Enter your address to see what NOAA radar detected over your specific roof - free, in seconds.
About Knox County, MO
Knox County rests in the rolling farmland of northeast Missouri, a landscape of low hills and cropland north of the Missouri River. When sizable hail occurs, it tends to come from organized summer storms feeding on deep moisture drawn up from the south, and stones can reach quarter or golf ball size on the strongest days. The St Louis (KLSX) radar is far away at about 126 miles to the southeast, so its scans favor storm tops over what is happening at the surface here.
The hail record for Knox County, MO
Knox County doesn't see hail every month, but it's a recurring visitor, with 7 confirmed events since 2025.
This year has run hot: 4 confirmed events in 2026 already, ahead of the recent pace.
Most confirmed hail in Knox County falls between spring and early summer, with June the busiest month.
Common questions
How often does it hail in Knox County?
NOAA radar has confirmed 7 severe hail events (1 inch or larger) in the Knox County area since 2025.
When is hail season in Knox County?
Hail in Knox County is concentrated in June, within a season that runs spring into early summer.
What's the largest hail recorded in Knox County?
Radar confirmed 1.8-inch hail, about golf ball size, on August 9, 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 hail getting worse in Knox County?
Nationally, the research on long-term hail trends is mixed. Better radar coverage since the 1990s makes real increases hard to separate from improved detection. In Knox County, 4 confirmed events have been recorded in 2026 so far, but the tracked record is still short, so it isn't evidence of a lasting trend.
Will it hail again in Knox County this year?
Knox County's record already includes more than one confirmed event in a single season. That's what the data shows so far, not a prediction for any given season.
Did it hail in Knox County in 2026?
Yes, 4 confirmed hail events so far in 2026, most recently June 11, 2026.
Recent confirmed hail near Knox County, MO
What this means for your home
Damage can be invisible from the ground
At Knox 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.
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.
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.
Claims have deadlines
Policies set a deadline for hail-damage claims, and state law may also apply. Windows range from months to several years depending on your state and policy. Knowing the exact date hail hit your address helps you file on time.
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.
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.