Hail History

Hom › Illinois › St. Clair County › O'Fallon

Hail istori fɔ O'Fallon, IL

Las hail insay 10 mailApr 27, 20261.00 in (25-sent koin)
Hail dei, las 12 mɔn1
Biges hail sin 20063.50 inApr 28, 2012
Hail dei sin 200667
Dei wit hail 1 inch o mɔ47
Tɔnado insay 10 mail18
Win ripɔt we win blow bad insay 10 mail119

Dem tɔk say hail kam insay 10 mail fɔ O'Fallon long 67 dei sin 2006. Biges stɔn we dem meka na 3.50 in long Apr 28, 2012. Hail dɔn kam mɔst long May an April.

O'Fallon rank #107 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. Luk ranking dɛn →

Risent hail nia O'Fallon

DeitHail saizWeaSors
Apr 27, 20261.00 in
25-sent koin		Belleville
1 hail report · klos 8 mi frɔm O'Fallon		NOAA Storm Events
Apr 2, 20251.75 in
golf bol		Willard, French Vlg
2 hail reports · klos 2 mi frɔm O'Fallon		NOAA Storm Events
Mar 30, 20251.00 in
25-sent koin		Atlee Ogles
1 hail report · klos 8 mi frɔm O'Fallon		NOAA Storm Events
Mar 14, 20251.75 in
golf bol		Maryville, O Fallon, Collinsville
15 hail reports · klos nia di sɛnta fɔ O'Fallon		NOAA Storm Events

One rɔ fɔ evri dei: biges hail we dem tɔk say i kam dat dei insay 10 mail, di ples an nɔmba fɔ ripɔt.

Dei we it hail na near O'Fallon, by yia

70650760830941031161221331421521661721841920121122423224325126

Wen hail season pik up na near O'Fallon

Out of di 67 hail dei sin 2006, most of dem fall in May (18) and April (16).

1Jan2Feb5Mar16Apr18May8Jun7Jul2Aug3Sep3Oct1Nov1Dec

Biggest hail storm na near O'Fallon

Apr 28, 2012 · 3.50 in · Carbon (2 mi from O'Fallon)

National Weather Service description (English): There were numerous reports of large hail across O'Fallon. The largest hail stones were three and a half inches by two inch disc shaped stones. Baseball sized hail was reported at Scott Air Force Base.

Jun 8, 2009 · 2.00 in (hen eg) · Mascoutah (9 mi from O'Fallon)

Feb 28, 2017 · 2.00 in (hen eg) · Collinsville (9 mi from O'Fallon)

National Weather Service description (English): A wide swath of large hail, up to two inches in diameter, fell across Madison County from the Collinsville/Pontoon Beach area northeastward through Maryville, Glen Carbon, Edwardsville, Troy and Marine.

Apr 30, 2019 · 2.00 in (hen eg) · Collinsville (7 mi from O'Fallon)

National Weather Service description (English): Another severe storm moved through the southern half of Madison County dropping large hail between Collinsville and Troy. The largest hail stones reported were 2 inches in diameter.

Feb 16, 2006 · 1.75 in (golf bol) · Mascoutah (9 mi from O'Fallon)

Tornado insay 10 mile of O'Fallon

DeitRatingWeaPas
Apr 27, 2026EF1Scott AFB Belle
6 mi from O'Fallon		5.8 mi long, 350 yd wide
Mar 14, 2025EF1Mascoutah
9 mi from O'Fallon		7.9 mi long, 700 yd wide
Mar 14, 2025EF1O Fallon
2 mi from O'Fallon		5.9 mi long, 450 yd wide
Mar 14, 2025EF0Black Jack
8 mi from O'Fallon		0.9 mi long, 25 yd wide
May 26, 2024EF0Summerfield
9 mi from O'Fallon		2.9 mi long, 285 yd wide
Apr 15, 2023EF0Signal Hill
9 mi from O'Fallon		0.6 mi long, 100 yd wide
Apr 15, 2023EF?Collinsville
8 mi from O'Fallon		0.2 mi long, 25 yd wide
Apr 15, 2023EF0Belleville
7 mi from O'Fallon		1.1 mi long, 90 yd wide
Apr 15, 2023EF1Belleville
6 mi from O'Fallon		3.0 mi long, 200 yd wide
May 19, 2022EF0Summerfield
9 mi from O'Fallon		0.2 mi long, 50 yd wide
Oct 13, 2014EF1Wilderman
8 mi from O'Fallon		1.4 mi long, 100 yd wide
Feb 27, 2011EF2Chinatown
10 mi from O'Fallon		2.7 mi long, 200 yd wide

Strong thunderstorm wind near O'Fallon

119 reports of strong thunderstorm wind within 10 miles of O'Fallon since 2006, on 92 de. Di strongest gust we dem measure na 72 mph on Apr 3, 2014.

DeitStrongest gustWeaSors
Apr 27, 202658 mph, we tinkBelleville
1 win ripɔt		NOAA Storm Events
Mar 15, 202660 mph, we kin mekaCollinsville
1 win ripɔt		NOAA Storm Events
Jul 6, 202574 mph, we tinkCaseyville, Lebanon
2 win ripɔt		NOAA Storm Events
May 16, 202569 mph, we tinkEast Swansea
1 win ripɔt		NOAA Storm Events
Apr 20, 202569 mph, we tinkBelleville
1 win ripɔt		NOAA Storm Events
Apr 2, 202560 mph, we tinkAtlee Ogles
1 win ripɔt		NOAA Storm Events
Mar 14, 202590 mph, we tinkLebanon, O Fallon, Shiloh Station
8 win ripɔt		NOAA Storm Events
Apr 18, 202475 mph, we tinkTroy
1 win ripɔt		NOAA Storm Events
Aug 25, 202370 mph, we tinkBelleville
1 win ripɔt		NOAA Storm Events
Aug 6, 202362 mph, we kin mekaScott AFB Belle
1 win ripɔt		NOAA Storm Events

Big tɔnda win na win we blow 58 mph o pass, o win we mek damij. Dem kin meka win long weza steshɔn; dem kin tink long pipul we si win an damij.

Wan yu fi file claim for roof or kaar hail?

Insurers ask for di date of loss. Di dates on dis page na wen dem report hail na near O'Fallon; hail fit hit one street and miss di next, so a report no prove damage for yu address. A licensed roofer or yu insurance adjuster fit inspect di roof. Many policies set a time limit for filing 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). Dem measure distances from di center of O'Fallon.

Yu run roofing company or local news site? Show O'Fallon's hail history on yu website with our free widget →

Roofing or restoration company? Get email within di hour when dem report hail na near O'Fallon with our hail alerts ($29 a month) →