Hail History

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Hail history for Clear Lake, IA

Last hail within 10 milesJun 20, 20251 in (quarter)
Hail days, last 12 monthsNone
Largest hail since 20061.75 in (golf ball)Oct 24, 2024
Hail days since 200635
Days with hail 1 inch or larger28
Tornadoes within 10 miles6
Damaging wind reports within 10 miles99

Hail has been reported within 10 miles of Clear Lake on 35 days since 2006. The largest stones measured 1.75 in (golf ball) on Oct 24, 2024. Hail is most common here in May and June.

Recent hail near Clear Lake

DateHail sizeWhereSource
Jun 20, 20251 in
quarter		Mason City Muni, Fertile
2 hail reports · closest 7 mi from Clear Lake		NOAA Storm Events
Apr 28, 20251 in
quarter		Ventura, Mason City, Mason City Muni
3 hail reports · closest 5 mi from Clear Lake		NOAA Storm Events
Oct 24, 20241.75 in
golf ball		Burchinal, Clear Lake, Mason City
6 hail reports · closest 1 mi from Clear Lake		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 Clear Lake by year

1060720809210311212513141152163175181193202112212312422526

When hail season peaks near Clear Lake

Of the 35 hail days since 2006, most fell in May (9) and June (8).

JanFeb2Mar5Apr9May8Jun6Jul1Aug2Sep2OctNovDec

Largest hail storms near Clear Lake

May 25, 2008 · 1.75 in (golf ball) · Mason City (10 mi from Clear Lake)

National Weather Service description (English): Dime to golf ball size hail nearly covered the ground.

Apr 29, 2010 · 1.75 in (golf ball) · Ventura (6 mi from Clear Lake)

Jun 14, 2011 · 1.75 in (golf ball) · Central Hgts (5 mi from Clear Lake)

Aug 24, 2018 · 1.75 in (golf ball) · Clear Lake (0 mi from Clear Lake)

National Weather Service description (English): Local media relayed a public social media picture of large hail, estimated around golf ball in size. Time estimated from radar.

Oct 24, 2024 · 1.75 in (golf ball) · Burchinal (4 mi from Clear Lake)

Tornadoes within 10 miles of Clear Lake

DateRatingWherePath
Jul 29, 2025EF0Clear Lake
3 mi from Clear Lake		1.6 mi long, 15 yd wide
Apr 12, 2022EF1Clear Lake Jct
9 mi from Clear Lake		4.5 mi long, 100 yd wide
Aug 27, 2021EF0Clear Lake
5 mi from Clear Lake		2.1 mi long, 250 yd wide
Jun 9, 2018EF0Clear Lake Lake
6 mi from Clear Lake		1.2 mi long, 30 yd wide
Jun 16, 2014EF1Mason City Muni
6 mi from Clear Lake		3.0 mi long, 110 yd wide
Jun 7, 2008EF0Mason City Muni
7 mi from Clear Lake		1.0 mi long, 40 yd wide

Damaging thunderstorm winds near Clear Lake

99 reports of damaging thunderstorm wind within 10 miles of Clear Lake since 2006, on 54 days. The strongest measured gust was 83 mph on Dec 15, 2021.

DateStrongest gustWhereSource
Jul 2, 202655 mph, estimatedMason City
1 wind report		NWS storm report (preliminary)
Jul 29, 202570 mph, estimatedVentura, Miller
3 wind reports		NOAA Storm Events
Jul 27, 202571 mph, measuredMason City Muni, Mason City
2 wind reports		NOAA Storm Events
Jun 20, 202559 mph, measuredMason City Muni
1 wind report		NOAA Storm Events
Jul 4, 202458 mph, estimatedVentura, Clear Lake
2 wind reports		NOAA Storm Events
May 24, 202472 mph, measuredMason City Muni
1 wind report		NOAA Storm Events
May 21, 202470 mph, estimatedMason City, Hanlontown
2 wind reports		NOAA Storm Events
Jul 23, 202259 mph, measuredMason City Muni
1 wind report		NOAA Storm Events
Jul 5, 202268 mph, measuredMason City Muni
1 wind report		NOAA Storm Events
Apr 12, 202262 mph, measuredBurchinal
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 Clear Lake; 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 Clear Lake.

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