Hail History

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Hail history for Cortland, IL

Last hail within 10 milesAug 21, 20261 in (quarter)
Hail days, last 12 months3
Largest hail since 20061.75 in (golf ball)Apr 7, 2020
Hail days since 200628
Days with hail 1 inch or larger14
Tornadoes within 10 miles15
Damaging wind reports within 10 miles157

Hail has been reported within 10 miles of Cortland on 28 days since 2006. The largest stones measured 1.75 in (golf ball) on Apr 7, 2020. Hail is most common here in April and June.

Recent hail near Cortland

DateHail sizeWhereSource
Aug 21, 20261 in
quarter		Sycamore
1 hail report · closest 7 mi from Cortland		NWS storm report (preliminary)
Jun 24, 20261 in
quarter		Malta
1 hail report · closest 9 mi from Cortland		NOAA Storm Events
Apr 14, 20261.25 in
half dollar		Dekalb
4 hail reports · closest 3 mi from Cortland		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 Cortland by year

20630710820921011111211321411516217318119120211221232425326

When hail season peaks near Cortland

Of the 28 hail days since 2006, most fell in April (7) and June (5).

1Jan1Feb3Mar7Apr3May5Jun2Jul3Aug1Sep1Oct1NovDec

Largest hail storms near Cortland

May 20, 2014 · 1.75 in (golf ball) · De Kalb (5 mi from Cortland)

National Weather Service description (English): Multiple reports of quarter to golf ball size hail were reported around Dekalb.

Aug 2, 2015 · 1.75 in (golf ball) · Dekalb (4 mi from Cortland)

National Weather Service description (English): There were multiple reports of quarter to golf ball size hail in and around De Kalb. Golf ball size hail fell at 1st Street and Taylor. Half dollar size hail fell near Annie Glidden Road.

Apr 7, 2020 · 1.75 in (golf ball) · Sycamore (4 mi from Cortland)

National Weather Service description (English): Golf ball size hail was reported at Peace Road and Route 23.

Sep 22, 2006 · 1.5 in (ping pong ball) · Mt Morris (9 mi from Cortland)

Aug 28, 2022 · 1.5 in (ping pong ball) · Waterman (8 mi from Cortland)

Tornadoes within 10 miles of Cortland

DateRatingWherePath
Jun 10, 2026EF0Maple Park
7 mi from Cortland		1.4 mi long, 50 yd wide
Jul 15, 2024EF?Maple Park
4 mi from Cortland		1.4 mi long, 50 yd wide
Jul 15, 2024EF?Maple Park
5 mi from Cortland		0.4 mi long, 50 yd wide
Jul 14, 2024EF1Virgil
8 mi from Cortland		9.0 mi long, 150 yd wide
Feb 27, 2024EF?Waterman
9 mi from Cortland		1.3 mi long, 120 yd wide
Feb 27, 2024EF0Maple Park
7 mi from Cortland		7.9 mi long, 125 yd wide
Aug 9, 2021EF1Sycamore
3 mi from Cortland		1.5 mi long, 150 yd wide
Aug 9, 2021EF0Maple Park
5 mi from Cortland		0.2 mi long, 20 yd wide
Aug 9, 2021EF0Richardson
5 mi from Cortland		3.9 mi long, 400 yd wide
Aug 9, 2021EF?Virgil
10 mi from Cortland		0.1 mi long, 10 yd wide
Nov 10, 2020EF0Virgil
8 mi from Cortland		3.7 mi long, 50 yd wide
Aug 10, 2020EF1Maple Park
7 mi from Cortland		1.2 mi long, 40 yd wide

Damaging thunderstorm winds near Cortland

157 reports of damaging thunderstorm wind within 10 miles of Cortland since 2006, on 67 days. The strongest measured gust was 74 mph on Mar 31, 2023.

DateStrongest gustWhereSource
Jul 4, 2026damage reportedDeKalb
1 wind report		NWS storm report (preliminary)
Jul 3, 202658 mph, measuredHinckley, DeKalb, Cortland
4 wind reports		NWS storm report (preliminary)
Jun 10, 202663 mph, estimatedMaple Park
2 wind reports		NOAA Storm Events
Apr 15, 202664 mph, estimatedKaneville
1 wind report		NOAA Storm Events
Aug 18, 202560 mph, estimatedWilkinson
1 wind report		NOAA Storm Events
Aug 16, 202572 mph, measuredWilkinson, Dekalb, Troxel
4 wind reports		NOAA Storm Events
Jun 26, 202560 mph, estimatedTroxel
1 wind report		NOAA Storm Events
Jun 8, 202570 mph, estimatedDekalb Taylor Municipal Airport
2 wind reports		NOAA Storm Events
May 15, 202569 mph, estimatedDekalb, Charter Grove
2 wind reports		NOAA Storm Events
Mar 14, 202581 mph, estimatedSycamore, Dekalb Taylor Municipal Airport, Charter Grove
26 wind reports		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 Cortland; 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 Cortland.

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