Hail History

Hom › Missouri › St. Charles County › O'Fallon

Hail istori fɔ O'Fallon, MO

Las hail insay 10 mailSep 17, 20261.00 in (25-sent koin)
Hail dei, las 12 mɔn4
Biges hail sin 20063.00 in (ti kap)May 13, 2023
Hail dei sin 200675
Dei wit hail 1 inch o mɔ48
Tɔnado insay 10 mail9
Win ripɔt we win blow bad insay 10 mail134

Dem tɔk say hail kam insay 10 mail fɔ O'Fallon long 75 dei sin 2006. Biges stɔn we dem meka na 3.00 in (ti kap) long May 13, 2023. Hail dɔn kam mɔst long April an May.

O'Fallon rank #61 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
Sep 17, 20261.00 in
25-sent koin		Saint Paul
1 hail report · klos 3 mi frɔm O'Fallon		NWS storm report (preliminary)
Jun 25, 20260.75 in
1-sent koin		St Peters
1 hail report · klos 6 mi frɔm O'Fallon		NOAA Storm Events
Apr 27, 20261.25 in
50-sent koin		O Fallon, Fort Zumwalt, Vandalia Airport
7 hail reports · klos nia di sɛnta fɔ O'Fallon		NOAA Storm Events
Apr 17, 20261.00 in
25-sent koin		Cottleville, Harvester, St Charles
9 hail reports · klos 4 mi frɔm O'Fallon		NOAA Storm Events
May 16, 20252.50 in
tenis bol		Cottleville, Weldon, Weldon Spg
27 hail reports · klos 1 mi frɔm O'Fallon		NOAA Storm Events
Apr 30, 20251.00 in
25-sent koin		Weldon Spg, Dardenne
2 hail reports · klos 3 mi frɔm O'Fallon		NOAA Storm Events
Apr 10, 20251.00 in
25-sent koin		Fort Zumwalt, St Peters
2 hail reports · klos 1 mi frɔm O'Fallon		NOAA Storm Events
Mar 14, 20251.25 in
50-sent koin		Harvester
1 hail report · klos 7 mi frɔm 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

80630770820921071171231361431551611711831922022122223324425426

Wen hail season pik up na near O'Fallon

Out of di 75 hail dei sin 2006, most of dem fall in April (24) and May (16).

3Jan2Feb9Mar24Apr16May11Jun6Jul1Aug3SepOctNovDec

Biggest hail storm na near O'Fallon

Apr 28, 2012 · 3.00 in (ti kap) · Wentzville (9 mi from O'Fallon)

May 13, 2023 · 3.00 in (ti kap) · Harvester (8 mi from O'Fallon)

National Weather Service description (English): A swath of very large hail fell in eastern St. Charles County. Areas that received large hail includes St. Peters, Harvester and St. Charles, mainly along and east of Jungermann Road. This includes the main street area of St. Charles.

Apr 19, 2011 · 2.75 in (besbol) · Dardenne (5 mi from O'Fallon)

National Weather Service description (English): Numerous reports of large hail ranging from ping pong ball size to baseball size.

Mar 15, 2012 · 2.75 in (besbol) · Dardenne (7 mi from O'Fallon)

National Weather Service description (English): A wide swath of large hail fell from areas along and west of I-64 near Highways N and DD to the east northeast through the cities of Lake St. Louis, Dardenne Prairie, and O'Fallon. The largest hail stones, baseball size, were reported near the intersection of Winghaven Boulevard and I-64. There were numerous reports of one to two inch diameter hail.

May 26, 2024 · 2.75 in (besbol) · St Peters (6 mi from O'Fallon)

National Weather Service description (English): There were numerous reports of 1 to 2 inch hailstones in eastern St. Charles County impacting St. Peters, St. Charles, and Kampsville. The largest reported hailstones were 2 to 2.75 inches in diameter and fell exclusively in St. Charles.

Tornado insay 10 mile of O'Fallon

DeitRatingWeaPas
Dec 10, 2021EF1Spirit/St Louis
9 mi from O'Fallon		2.4 mi long, 50 yd wide
Dec 10, 2021EF1Weldon
9 mi from O'Fallon		6.1 mi long, 50 yd wide
Apr 29, 2017EF0Kampville
10 mi from O'Fallon		3.9 mi long, 100 yd wide
Jun 28, 2015EF2Peruque
4 mi from O'Fallon		2.3 mi long, 400 yd wide
Sep 9, 2014EF0Harvester
7 mi from O'Fallon		1.7 mi long, 25 yd wide
Jun 7, 2014EF0Harvester
7 mi from O'Fallon		2.7 mi long, 20 yd wide
May 31, 2013EF3Defiance
9 mi from O'Fallon		14.8 mi long, 950 yd wide
Jan 29, 2013EF0Chain Of Rocks
9 mi from O'Fallon		1.7 mi long, 30 yd wide
Aug 31, 2012EF0Fort Zumwalt
2 mi from O'Fallon		0.4 mi long, 120 yd wide

Strong thunderstorm wind near O'Fallon

134 reports of strong thunderstorm wind within 10 miles of O'Fallon since 2006, on 89 de. Di strongest gust we dem measure na 71 mph on Jul 23, 2017.

DeitStrongest gustWeaSors
Sep 17, 2026dem tɔk say win blow badSaint Paul
1 win ripɔt		NWS storm report (preliminary)
Aug 12, 2026dem tɔk say win blow badO'Fallon, Saint Paul
3 win ripɔt		NWS storm report (preliminary)
Jul 4, 2026dem tɔk say win blow badWeldon Spring, Harvester
4 win ripɔt		NWS storm report (preliminary)
Jun 25, 202660 mph, we tinkKampville
1 win ripɔt		NOAA Storm Events
Apr 17, 202658 mph, we tinkHarvester
1 win ripɔt		NOAA Storm Events
Jul 6, 202575 mph, we tinkSt Peters, Cottleville
2 win ripɔt		NOAA Storm Events
Jun 27, 202558 mph, we tinkHarvester
1 win ripɔt		NOAA Storm Events
May 16, 202564 mph, we tinkDardenne
1 win ripɔt		NOAA Storm Events
Apr 10, 202558 mph, we kin mekaAll Saints Vlg
1 win ripɔt		NOAA Storm Events
May 26, 202470 mph, we tinkAll Saints Vlg
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.

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