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Hail history im O'Fallon, IL

Last hail im 10 milesApr 27, 20261.00 in (25-cent coin)

Hail days, last 12 months1

Largest hail im 20063.50 inApr 28, 2012

Hail days im 200667

Days im hail 1 inch imwin47

Tornadoes im 10 miles18

Wind dmg wutuk im 10 miles119

Hail wutuk im 10 miles im O'Fallon im 67 days im 2006. Stones imwin im 3.50 in im Apr 28, 2012. Hail ej common im May im April.

O'Fallon eo rank #107 hail days ilo 1,399 U.S. cities eo 25,000 akis 100,000 people. Jen bwe jen kiiok ranking →

Recent hail im O'Fallon

Date	Hail size	Where	Source
Apr 27, 2026	1.00 in 25-cent coin	Belleville 1 hail report · closest 8 mi im O'Fallon	NOAA Storm Events
Apr 2, 2025	1.75 in golf ball	Willard, French Vlg 2 hail reports · closest 2 mi im O'Fallon	NOAA Storm Events
Mar 30, 2025	1.00 in 25-cent coin	Atlee Ogles 1 hail report · closest 8 mi im O'Fallon	NOAA Storm Events
Mar 14, 2025	1.75 in golf ball	Maryville, O Fallon, Collinsville 15 hail reports · closest im center im O'Fallon	NOAA Storm Events

One row im day: largest hail wutuk im day im 10 miles, places im number im wutuk.

Hail days near O'Fallon by year

When hail season peaks near O'Fallon

Of the 67 hail days since 2006, most fell in May (18) and April (16).

Largest hail storms 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 egg) · Mascoutah (9 mi from O'Fallon)

Feb 28, 2017 · 2.00 in (hen egg) · 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 egg) · 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 ball) · Mascoutah (9 mi from O'Fallon)

Tornadoes within 10 miles of O'Fallon

Date	Rating	Where	Path
Apr 27, 2026	EF1	Scott AFB Belle 6 mi from O'Fallon	5.8 mi long, 350 yd wide
Mar 14, 2025	EF1	Mascoutah 9 mi from O'Fallon	7.9 mi long, 700 yd wide
Mar 14, 2025	EF1	O Fallon 2 mi from O'Fallon	5.9 mi long, 450 yd wide
Mar 14, 2025	EF0	Black Jack 8 mi from O'Fallon	0.9 mi long, 25 yd wide
May 26, 2024	EF0	Summerfield 9 mi from O'Fallon	2.9 mi long, 285 yd wide
Apr 15, 2023	EF0	Signal Hill 9 mi from O'Fallon	0.6 mi long, 100 yd wide
Apr 15, 2023	EF?	Collinsville 8 mi from O'Fallon	0.2 mi long, 25 yd wide
Apr 15, 2023	EF0	Belleville 7 mi from O'Fallon	1.1 mi long, 90 yd wide
Apr 15, 2023	EF1	Belleville 6 mi from O'Fallon	3.0 mi long, 200 yd wide
May 19, 2022	EF0	Summerfield 9 mi from O'Fallon	0.2 mi long, 50 yd wide
Oct 13, 2014	EF1	Wilderman 8 mi from O'Fallon	1.4 mi long, 100 yd wide
Feb 27, 2011	EF2	Chinatown 10 mi from O'Fallon	2.7 mi long, 200 yd wide

Damaging thunderstorm winds near O'Fallon

119 reports of damaging thunderstorm wind within 10 miles of O'Fallon since 2006, on 92 days. The strongest measured gust was 72 mph on Apr 3, 2014.

Date	Strongest gust	Where	Source
Apr 27, 2026	58 mph, ekkar	Belleville 1 wutuk wind	NOAA Storm Events
Mar 15, 2026	60 mph, imwin	Collinsville 1 wutuk wind	NOAA Storm Events
Jul 6, 2025	74 mph, ekkar	Caseyville, Lebanon 2 wutuk wind	NOAA Storm Events
May 16, 2025	69 mph, ekkar	East Swansea 1 wutuk wind	NOAA Storm Events
Apr 20, 2025	69 mph, ekkar	Belleville 1 wutuk wind	NOAA Storm Events
Apr 2, 2025	60 mph, ekkar	Atlee Ogles 1 wutuk wind	NOAA Storm Events
Mar 14, 2025	90 mph, ekkar	Lebanon, O Fallon, Shiloh Station 8 wutuk wind	NOAA Storm Events
Apr 18, 2024	75 mph, ekkar	Troy 1 wutuk wind	NOAA Storm Events
Aug 25, 2023	70 mph, ekkar	Belleville 1 wutuk wind	NOAA Storm Events
Aug 6, 2023	62 mph, imwin	Scott AFB Belle 1 wutuk wind	NOAA Storm Events

Wind imwin thunderstorm ej 58 mph anikaj, im wind ej kajjitok dmg. Imwin wind ej imwin eokta weather stations; ekkar ej imwin eokta spotters im dmg surveys.

Jabdoñ eo an roof im hail?

Insurers ask for the date of loss. The dates on this page are when hail was reported near O'Fallon; 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.

Rejyok eo

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 O'Fallon.

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