Grain Valley, MO · Jackson County
Roof inspections in Grain Valley.
According to the city, Grain Valley’s population grew from 1,077 in 1980 to 5,160 in 2000, thanks in part to housing developments, and reached 14,277 by 2018.
The short answer
Grain Valley requires roof permits, allows only one layer overlay, and requires an ice and water barrier.
Since 2016, National Weather Service reports show hail 1 inch or larger within 5 miles of central Grain Valley on 10 days and gusts of 58 mph or more on 19 days. The largest hail reported there was 1.75 inches on March 12, 2024.
A free, no-obligation inspection comes from an independent roofing partner that serves Grain Valley, and checking storm history doesn’t file an insurance claim.
The town was formed in 1878, when the townships of Pink Hill and Stony Point consolidated and moved closer to a new railroad line, and today Interstate 70 runs through what the city calls the eastern gateway to Kansas City.
NOAA’s records place a March 2024 hail report in north Grain Valley and the May 2024 tornado’s path across Interstate 70. Start by checking how many significant storms are on record near your address. If an inspection makes sense, one local roofing partner does it free, with no obligation and no insurance claim filed.
Storm record for Grain Valley since 2016
NOAA/NWS storm reports through November 10, 2026.
These are records for the wider area, not for your address. A storm on record doesn’t mean your roof was damaged, and it doesn’t mean your insurance company will accept that storm or date. That’s why an inspection is worth having: a roofing professional looks at the roof itself.
- Hail-report days
- 10
- 1 in+, since 2016
- Wind-report days
- 19
- 58 mph+, since 2016
- Radar hail days
- 6
- 1 in+, since 2021
Severe-weather days per year
- Days with hail 1 in+
- Days with only wind 58 mph+
* Year to date, through November 10, 2026.
See the numbers by year
| Year | Hail days | Wind days | Radar days |
|---|---|---|---|
| 2016 | 2 | 2 | — |
| 2017 | 1 | 2 | — |
| 2018 | 0 | 1 | — |
| 2019 | 1 | 1 | — |
| 2020 | 0 | 3 | — |
| 2021 | 1 | 2 | 1 |
| 2022 | 0 | 0 | 0 |
| 2023 | 1 | 2 | 2 |
| 2024 | 1 | 2 | 2 |
| 2025 | 1 | 3 | 1 |
| 2026to Nov 10preliminary | 2 | 1 | 0 |
Hail days: Weather Service reports of 1 inch or larger. Wind days: gusts of 58 mph or more. Radar days: radar estimates of 1 inch or larger, from 2021.
Biggest storm days within 5 miles of central Grain Valley
Ranked by the largest hail reported, then the strongest wind.
August 12, 2021
Hail 1.75 in (golf ball)Wind 60 mph8 severe reports
June 21, 2019
Hail 1.75 in (golf ball)Wind 60 mph2 severe reports
March 12, 2024
Hail 1.75 in (golf ball)4 severe reports
October 10, 2023
Hail 1.75 in (golf ball)2 severe reports
February 28, 2017
Hail 1.75 in (golf ball)2 severe reports
How we count. A hail day is a day with at least one National Weather Service hail report of 1 inch or larger within 5 miles of central Grain Valley; a wind day has a measured or estimated gust of 58 mph or more. Data through November 10, 2026.
The full method and source
Several reports on the same day count once.
Our storm records come from NOAA radar estimates and National Weather Service reports. Radar can miss or misjudge hail, and a report marks a single spot, so records can be incomplete. Treat them as a starting point, not a verdict about your roof.
Radar hail days use NOAA’s radar estimates (MRMS) of 1 inch or larger over the same area, counted only when the Weather Service also logged hail within 15 miles that day. 2026 numbers come from preliminary reports and can change.
Source: NOAA / National Weather Service Storm Prediction Center storm reports and NOAA MRMS radar hail estimates, retrieved November 11, 2026. Data through November 10, 2026; 2026 reports are preliminary and can still change. Compiled by Roof Inspectors from public-domain NOAA data. How storm data works.
On our hail-by-place comparison (5-mile circles, 2016–2025), Grain Valley is in the middle band.
Your own street can differ. Check the storm history for your address or see Kansas City hail history by year.
Was hail recorded near your street?
Hail falls in narrow swaths — see what the records show at or near your address.
- Doesn’t file an insurance claim
- One local partner, never a pile-on
Storms in and around Grain Valley
- NOAA Storm Events Database: May 6, 2024 tornado (opens in a new tab)
Late on May 6, 2024, an EF-1 tornado confirmed by a National Weather Service storm survey began in south Blue Springs and moved northeast into Grain Valley. Estimated wind speeds were as high as 100 mph.
NOAA’s record says the tornado crossed Interstate 70 in Grain Valley, where it blew over a semi truck and flipped two RV trailers into a ditch. Its path ended just north of the interstate.
- NOAA Storm Events Database: March 12, 2024 hail (opens in a new tab)
On the evening of March 12, 2024, golf ball-sized hail (1.75 inches) was reported in north Grain Valley.
NOAA’s summary of that day describes a supercell that developed over the Lee’s Summit and Greenwood area and dropped golf ball-sized or larger hail across parts of Greenwood, Lone Jack and up toward Oak Grove.
- NOAA Storm Events Database: July 22, 2017 wind (opens in a new tab)
On the evening of July 22, 2017, a corridor of strong wind pushed east across the southern Kansas City metro. NOAA’s Grain Valley record lists a trained spotter’s estimated 61-knot (about 70 mph) gust and large trees down.
NOAA’s summary of the event notes that gusts of 70 mph were commonly reported as the storms moved into western and central Missouri, and that more than 100,000 people lost power.
Storms we’ve written up near Grain Valley
- May 31–June 1, 2026: An 82 mph gust in Kansas City, downburst damage in North Kansas City and hail up to 2 inches
1 report on the storm page’s map is about 4 miles from central Grain Valley.
- April 26–27, 2026: Hail up to 2.5 inches in Cass County, golf-ball hail near Olathe and Shawnee, and four brief tornadoes
1 report on the storm page’s map is about 3 miles from central Grain Valley.
- March 10, 2026: Hail up to 4.5 inches reported in the Kansas City Northland
2 reports on the storm page’s map fall within 5 miles of central Grain Valley; the closest is about 4 miles away.
Before you hire a roofer in Grain Valley
- Missouri doesn’t license roofers statewide, so licensing, registration, and permit rules are set by each city. That makes it worth asking a roofer which city requirements apply to your project. MO
- Grain Valley’s Community Development FAQ says roof permits are required, “only one layer overlay is allowed,” and an ice and water barrier must be installed. The FAQ links to the city’s online roof permit application. MO
- Grain Valley’s FAQ, citing city code, says no one may operate a business in the city without a valid occupational license or permit. Contractors and subcontractors applying need to include a certificate of insurance for general liability and workers’ compensation, with the City of Grain Valley listed as certificate holder. MO
- City of Grain Valley — Community Development FAQ (opens in a new tab)MO
- City of Grain Valley — FAQ: Occupational licenses (opens in a new tab)MO
Rules change; confirm current requirements with the city before work begins. This isn’t legal advice.
ZIP codes we serve in Grain Valley
- 64029
Not listed? Enter your address — we confirm service for your exact location.
Grain Valley roof inspection questions
Do I need a permit for roof work in Grain Valley?
Did the May 2024 tornado reach Grain Valley?
What does a Grain Valley roof inspection cost?
If you file a claim, even after an inspection, your insurance company decides what’s covered and what it pays. Roof Inspectors and our roofing partners can’t make that decision or promise an outcome.
Nearby communities
Grain Valley is in our service area, which covers homes within about 60 miles of Overland Park, Kansas. For every community we serve in Kansas and Missouri, see roof inspection in the Kansas City area.
See the storms on record near your Grain Valley home.
Start with a free storm count for your address. It takes about 30 seconds.
Checking storm history doesn’t file an insurance claim, and no roofer gets your details unless you book an inspection.