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Hail history for Lake Saint Louis, MO

Last hail within 10 milesSep 17, 20261 in (quarter)

Hail days, last 12 months3

Largest hail since 20063 in (tea cup)Mar 14, 2024

Hail days since 200670

Days with hail 1 inch or larger45

Tornadoes within 10 miles9

Damaging wind reports within 10 miles126

Hail has been reported within 10 miles of Lake Saint Louis on 70 days since 2006. The largest stones measured 3 in (tea cup) on Mar 14, 2024. Hail is most common here in April and May.

Recent hail near Lake Saint Louis

Date	Hail size	Where	Source
Sep 17, 2026	1 in quarter	Saint Paul 1 hail report · closest 4 mi from Lake Saint Louis	NWS storm report (preliminary)
Apr 27, 2026	1.25 in half dollar	O Fallon, Fort Zumwalt, Lake St Louis 6 hail reports · closest 3 mi from Lake Saint Louis	NOAA Storm Events
Apr 17, 2026	1 in quarter	Defiance, Cottleville 3 hail reports · closest 8 mi from Lake Saint Louis	NOAA Storm Events
May 16, 2025	2.5 in tennis ball	Cottleville, Weldon, Weldon Spg 20 hail reports · closest 4 mi from Lake Saint Louis	NOAA Storm Events
Apr 30, 2025	1 in quarter	Weldon Spg, Dardenne 2 hail reports · closest 3 mi from Lake Saint Louis	NOAA Storm Events
Apr 10, 2025	1 in quarter	Fort Zumwalt 1 hail report · closest 6 mi from Lake Saint Louis	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 Lake Saint Louis by year

When hail season peaks near Lake Saint Louis

Of the 70 hail days since 2006, most fell in April (23) and May (16).

Largest hail storms near Lake Saint Louis

Apr 28, 2012 · 3 in (tea cup) · Wentzville (5 mi from Lake Saint Louis)

Mar 14, 2024 · 3 in (tea cup) · Foristell (9 mi from Lake Saint Louis)

National Weather Service description (English): A wide swath of very large hail fell along the I-70 corridor in St. Charles County. The largest hail stones were around three inches in diameter. The cities that the large hail affected were Wentzville, Saint Paul, O'Fallon, Lake St. Louis, Flint Hill, Saint Peters, Cottleville, and Saint Charles. Numerous vehicles sustained hail damage including thousands of individual cars and at 12 car dealerships. One dealership alone had 450 cars damaged from the large hail. Also, hundreds of homes and businesses sustained roof and siding damage. One school sustained damage to skylights.

Apr 19, 2011 · 2.75 in (baseball) · Dardenne (2 mi from Lake Saint Louis)

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 (baseball) · Dardenne (3 mi from Lake Saint Louis)

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 16, 2025 · 2.5 in (tennis ball) · Cottleville (10 mi from Lake Saint Louis)

National Weather Service description (English): The photo of the hailstone was received via social media.

Tornadoes within 10 miles of Lake Saint Louis

Date	Rating	Where	Path
Nov 4, 2024	EF0	Foristell 9 mi from Lake Saint Louis	4.9 mi long, 75 yd wide
Nov 4, 2024	EF0	Ethlyn 8 mi from Lake Saint Louis	1.1 mi long, 25 yd wide
May 7, 2024	EF0	Defiance 9 mi from Lake Saint Louis	2.2 mi long, 50 yd wide
Mar 6, 2017	EF1	Foristell 7 mi from Lake Saint Louis	3.1 mi long, 100 yd wide
Jun 28, 2015	EF2	Peruque 8 mi from Lake Saint Louis	2.3 mi long, 400 yd wide
May 31, 2013	EF3	Defiance 8 mi from Lake Saint Louis	14.8 mi long, 950 yd wide
Jan 29, 2013	EF0	Chain Of Rocks 8 mi from Lake Saint Louis	1.7 mi long, 30 yd wide
Aug 31, 2012	EF0	Fort Zumwalt 7 mi from Lake Saint Louis	0.4 mi long, 120 yd wide
Apr 22, 2011	EF1	New Melle 9 mi from Lake Saint Louis	7.3 mi long, 250 yd wide

Damaging thunderstorm winds near Lake Saint Louis

126 reports of damaging thunderstorm wind within 10 miles of Lake Saint Louis since 2006, on 86 days. The strongest measured gust was 81 mph on Jul 3, 2011.

Date	Strongest gust	Where	Source
Sep 17, 2026	damage reported	Saint Paul 1 wind report	NWS storm report (preliminary)
Aug 12, 2026	damage reported	O'Fallon, Saint Paul 3 wind reports	NWS storm report (preliminary)
Jul 10, 2026	damage reported	Foristell 1 wind report	NWS storm report (preliminary)
Apr 17, 2026	81 mph, estimated	Ethlyn 1 wind report	NOAA Storm Events
Jul 6, 2025	58 mph, estimated	Cottleville 1 wind report	NOAA Storm Events
May 16, 2025	64 mph, estimated	Dardenne 1 wind report	NOAA Storm Events
Apr 10, 2025	58 mph, measured	All Saints Vlg 1 wind report	NOAA Storm Events
May 26, 2024	70 mph, estimated	All Saints Vlg 1 wind report	NOAA Storm Events
May 21, 2024	75 mph, estimated	Flint Hill 1 wind report	NOAA Storm Events
Aug 12, 2023	60 mph, estimated	Wentzville Airport 1 wind report	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 Lake Saint Louis; 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 Lake Saint Louis.

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