Hail History

Home › Missouri › St. Louis County › Affton

Hail history for Affton, MO

Last hail within 10 milesApr 27, 20261.25 in (half dollar)
Hail days, last 12 months1
Largest hail since 20064.5 in (softball)May 25, 2011
Hail days since 200685
Days with hail 1 inch or larger61
Tornadoes within 10 miles21
Damaging wind reports within 10 miles239

Hail has been reported within 10 miles of Affton on 85 days since 2006. The largest stones measured 4.5 in (softball) on May 25, 2011. Hail is most common here in April and June.

Recent hail near Affton

DateHail sizeWhereSource
Apr 27, 20261.75 in
golf ball		University City, Pagedale, St Louis
11 hail reports · closest 6 mi from Affton		NOAA Storm Events
May 19, 20252 in
hen egg		Brentwood, Oakland, Rock Hill
4 hail reports · closest 4 mi from Affton		NOAA Storm Events
May 16, 20252 in
hen egg		University City, Vinita Park, Olivette
8 hail reports · closest 7 mi from Affton		NOAA Storm Events
Apr 2, 20251 in
quarter		Oakville, Cliff Cave
2 hail reports · closest 6 mi from Affton		NOAA Storm Events
Mar 30, 20251 in
quarter		Columbia Gebhardt Airport
1 hail report · closest 9 mi from Affton		NOAA Storm Events
Mar 14, 20252 in
hen egg		Cliff Cave, Carondelet, Fenton
61 hail reports · closest near the center of Affton		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Affton by year

3065076083095106118122136144154166175185191202122523524525126

When hail season peaks near Affton

Of the 85 hail days since 2006, most fell in April (22) and June (16).

1Jan3Feb9Mar22Apr14May16Jun9Jul4Aug1Sep4Oct2NovDec

Largest hail storms near Affton

May 25, 2011 · 4.5 in (softball) · Gravois (2 mi from Affton)

National Weather Service description (English): Softball size hail was reported at the intersection of Gravois Road and Heidelberg Avenue.

Apr 28, 2012 · 3 in (tea cup) · Tower Grove (7 mi from Affton)

National Weather Service description (English): A swath of large hail fell over central portions of the city of St. Louis. Three inch hail was reported at the Edward Jones Dome with golfball sized hail reported at the intersection of Tucker Boulevard and Market Street as well as at the intersection of Hampton Avenue and Interstate 44.

May 11, 2016 · 2.5 in (tennis ball) · Maxville (9 mi from Affton)

National Weather Service description (English): A wide swath of large hail fell over Jefferson County. Most of the large hail was between 1 inch and 1.75 inches in diameter. Large hail was reported in Arnold, Kimmswick, Imperial, and Pevely. The largest hailstones reported fell in Arnold which were 2.5 inches in diameter.

Apr 19, 2011 · 2 in (hen egg) · Warson Woods (5 mi from Affton)

National Weather Service description (English): A swath of large hail fell in an area from Warson Woods through Brentwood and into University City. Two inch hail was reported in Warson Woods.

Jul 7, 2014 · 2 in (hen egg) · Fenton (7 mi from Affton)

National Weather Service description (English): There were numerous reports of large hail across southern St. Louis County. The largest hailstones were two inches in diameter which was reported in Affton. There were reports of quarter to golfball sized hail in Shrewsbury and Lemay.

Tornadoes within 10 miles of Affton

DateRatingWherePath
Jun 21, 2026EF0Warson Woods
5 mi from Affton		0.9 mi long, 10 yd wide
May 16, 2025EF2Clayton
6 mi from Affton		2.3 mi long, 500 yd wide
May 16, 2025EF0Tower Grove
7 mi from Affton		6.6 mi long, 1,750 yd wide
Mar 14, 2025EF1Mattese
6 mi from Affton		4.4 mi long, 550 yd wide
May 26, 2024EF0Paulina Hills
8 mi from Affton		0.2 mi long, 100 yd wide
May 26, 2024EF1Mattese
5 mi from Affton		5.3 mi long, 172 yd wide
May 26, 2024EF0Bixby
7 mi from Affton		3.5 mi long, 25 yd wide
Apr 18, 2024EF0Parkfield Terrace
8 mi from Affton		1.1 mi long, 35 yd wide
Apr 15, 2023EF?Columbia Gebhardt Airport
9 mi from Affton		0.3 mi long, 25 yd wide
Apr 15, 2023EF1Morschels
9 mi from Affton		4.5 mi long, 100 yd wide
May 19, 2022EF0Webster Groves
4 mi from Affton		3.0 mi long, 75 yd wide
May 19, 2022EF0Frontenac
7 mi from Affton		1.3 mi long, 50 yd wide

Damaging thunderstorm winds near Affton

239 reports of damaging thunderstorm wind within 10 miles of Affton since 2006, on 119 days. The strongest measured gust was 81 mph on May 26, 2024.

DateStrongest gustWhereSource
Aug 16, 2026damage reportedUniversity City
1 wind report		NWS storm report (preliminary)
Jul 27, 2026damage reportedFenton
1 wind report		NWS storm report (preliminary)
Jul 10, 2026damage reportedWebster Groves
1 wind report		NWS storm report (preliminary)
Jul 4, 2026damage reportedMehlville, Town And Country, Lakeshire
4 wind reports		NWS storm report (preliminary)
Jun 11, 202658 mph, estimatedFenton
1 wind report		NOAA Storm Events
Apr 27, 202660 mph, estimatedBayshore, Tower Grove
2 wind reports		NOAA Storm Events
Mar 15, 202664 mph, estimatedDes Peres
1 wind report		NOAA Storm Events
Jun 27, 202569 mph, estimatedRock Hill, Oakland
2 wind reports		NOAA Storm Events
May 16, 202569 mph, estimatedGrant, Gravois, Westwood
3 wind reports		NOAA Storm Events
Apr 2, 202569 mph, estimatedDupo, East Stl Airport
2 wind reports		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Affton; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Affton.

Run a roofing company or a local news site? Show Affton's hail history on your website with our free widget →

Roofing or restoration company? Get an email within the hour when hail is reported near Affton with our hail alerts ($29 a month) →