Hail History

Imam › Illinois › Whiteside County › Rock Falls

Hail history im Rock Falls, IL

Last hail im 10 milesApr 2, 20261.50 in (ping pong ball)
Hail days, last 12 months1
Largest hail im 20062.00 in (hen egg)Feb 28, 2017
Hail days im 200628
Days im hail 1 inch imwin13
Tornadoes im 10 miles12
Wind dmg wutuk im 10 miles74

Hail wutuk im 10 miles im Rock Falls im 28 days im 2006. Stones imwin im 2.00 in (hen egg) im Feb 28, 2017. Hail ej common im May im April.

Recent hail im Rock Falls

DateHail sizeWhereSource
Apr 2, 20261.50 in
ping pong ball		Sterling Airport
1 hail report · closest 4 mi im Rock Falls		NOAA Storm Events
Jul 10, 20251.75 in
golf ball		Nelson
1 hail report · closest 6 mi im Rock Falls		NOAA Storm Events

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

Hail days near Rock Falls by year

50610740809103111213214115116217181192012112223424125126

When hail season peaks near Rock Falls

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

Jan2Feb2Mar5Apr7May4Jun2Jul3Aug2Sep1OctNovDec

Largest hail storms near Rock Falls

Feb 28, 2017 · 2.00 in (hen egg) · Sterling (1 mi from Rock Falls)

National Weather Service description (English): A spotter reported hail slightly larger than golf balls.

Aug 5, 2024 · 1.75 in (golf ball) · Penrose (8 mi from Rock Falls)

National Weather Service description (English): Golf ball size hail was reported near Penrose, Illinois. The time was estimated from radar data.

Jul 10, 2025 · 1.75 in (golf ball) · Nelson (6 mi from Rock Falls)

Apr 2, 2026 · 1.50 in (ping pong ball) · Sterling Airport (4 mi from Rock Falls)

Oct 2, 2006 · 1.25 in (50-cent coin) · Sterling (1 mi from Rock Falls)

Tornadoes within 10 miles of Rock Falls

DateRatingWherePath
Apr 2, 2026EF1Douglas Park
3 mi from Rock Falls		3.7 mi long, 75 yd wide
Apr 2, 2026EF1Penrose
6 mi from Rock Falls		0.1 mi long, 250 yd wide
Apr 2, 2026EF1Prairieville
6 mi from Rock Falls		6.2 mi long, 250 yd wide
Jul 8, 2020EF?Sterling
3 mi from Rock Falls		0.3 mi long, 10 yd wide
Feb 28, 2017EF1Coleta
8 mi from Rock Falls		2.6 mi long, 75 yd wide
Mar 15, 2016EF0Deer Grove
8 mi from Rock Falls		1.8 mi long, 50 yd wide
Jul 16, 2015EF0Sterling Airport
4 mi from Rock Falls		0.6 mi long, 10 yd wide
Jun 22, 2015EF1Yeoward Addition
4 mi from Rock Falls		1.7 mi long, 50 yd wide
Jun 22, 2015EF0Van Petten
5 mi from Rock Falls		0.8 mi long, 50 yd wide
Jun 22, 2015EF1Harmon
6 mi from Rock Falls		7.4 mi long, 50 yd wide
Jun 22, 2015EF1Sterling
1 mi from Rock Falls		2.2 mi long, 75 yd wide
Jun 24, 2013EF0Harmon
9 mi from Rock Falls		2.8 mi long, 100 yd wide

Damaging thunderstorm winds near Rock Falls

74 reports of damaging thunderstorm wind within 10 miles of Rock Falls since 2006, on 46 days. The strongest measured gust was 92 mph on Aug 10, 2020.

DateStrongest gustWhereSource
Aug 12, 202671 mph, imwinRock Falls
1 wutuk wind		NWS storm report (preliminary)
Jun 24, 202660 mph, ekkarDouglas Park, Sterling
2 wutuk wind		NOAA Storm Events
Jun 3, 202570 mph, ekkarYeoward Addition
1 wutuk wind		NOAA Storm Events
May 21, 202458 mph, ekkarSterling
1 wutuk wind		NOAA Storm Events
May 4, 202459 mph, imwinSterling Airport
1 wutuk wind		NOAA Storm Events
Apr 20, 202381 mph, ekkarMalvern
1 wutuk wind		NOAA Storm Events
Apr 4, 202369 mph, ekkarHarmon, Woodland Shores
2 wutuk wind		NOAA Storm Events
Nov 5, 202264 mph, ekkarRock Falls, Tampico
2 wutuk wind		NOAA Storm Events
Jul 5, 202260 mph, ekkarSterling
1 wutuk wind		NOAA Storm Events
Apr 30, 202259 mph, imwinSterling Airport
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 Rock Falls; 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 Rock Falls.

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