Hail and tornadoes in Grundy County, IL

Since January 2021, radar estimated hail somewhere in Grundy County, IL on 53 days. The biggest estimate: 3 in or larger (teacup), on Sat, Jun 12, 2021. Hail was reported to the National Weather Service inside the county on 2 days.

Still loading: radar estimates go back to Wed, Oct 14, 2020, and the earlier years are being added.

Days with hail

since January 2021

1 inch or larger

days, estimated or reported

Largest radar estimate

3+ in

Sat, Jun 12, 2021

Largest reported

1.5 in

Mon, Jul 27, 2026

Radar estimates are NOAA's MESH: the largest hail the radar estimates aloft, on cells about 0.7 mile across, shown as the lower bound of a size band (“1.5+”). They often run larger than what reached the ground, and they aren't evidence of damage at any address.

Radar-estimated hail on Sat, Jun 12, 2021 around the place, with the hail reported that day — Sat, Jun 12, 2021: radar-estimated hail around Grundy County, IL, with the hail reported that day.

Hail on record since 1955

NOAA's Storm Events database lists 56 hail reports in Grundy County, IL on 35 days, 1 of them 2 inches or larger. The largest: 2.75 in, near Minooka, on Wed, Jun 10, 2015.

By decade: 2000s: 25 · 2010s: 25 · 2020s: 6

Tornadoes since 1950

14 tornadoes have touched Grundy County, IL since 1950, 1 of them rated F3/EF3 or stronger. They killed 0 and injured 13.

Strongest

Mon, Jun 22, 2015 · EF3 · 7.7 mi long, 1,320 yd wide · near Paytonville · 7 injuries
Mon, Jul 15, 2024 · EF2 · 6.6 mi long, 325 yd wide · near Aux Sable
Sun, Nov 17, 2013 · EF2 · 4.42 mi long, 200 yd wide · near Central City · 5 injuries
Wed, Jun 22, 2016 · EF1 · 1.61 mi long, 100 yd wide · near Langham
Mon, Jun 22, 2015 · EF1 · 0.77 mi long, 100 yd wide · near Gorman

Most recent

Mon, Jul 15, 2024 · EF2 · 6.6 mi long, 325 yd wide · near Aux Sable
Fri, Jul 28, 2023 · EF0 · 0.82 mi long, 250 yd wide · near Minooka
Sat, May 23, 2020 · EF0 · 1.97 mi long, 100 yd wide · near Sank Ridge · 1 injury
Sun, May 17, 2020 · EFU · 0.52 mi long, 25 yd wide · near Pequot
Tue, Feb 28, 2017 · EF0 · 1.2 mi long, 200 yd wide · near Stockdale
Wed, Jun 22, 2016 · EF0 · 0.7 mi long, 100 yd wide · near Gorman
Wed, Jun 22, 2016 · EF1 · 1.61 mi long, 100 yd wide · near Langham
Mon, Jun 22, 2015 · EF3 · 7.7 mi long, 1,320 yd wide · near Paytonville · 7 injuries
Mon, Jun 22, 2015 · EF1 · 0.77 mi long, 100 yd wide · near Gorman
Mon, Jun 22, 2015 · EF1 · 5.93 mi long, 150 yd wide · near Nettlecreek

By decade: 2000s: 1 · 2010s: 9 · 2020s: 4

Still loading: NOAA's record goes back to 1950, and 2003 onward is in so far.

Every hail day since January 2021

Wed, Aug 12, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 11, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Aug 9, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Mon, Jul 27, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
Reported in the county
- 1 in (1 S Carbon Hill, IL)
- 1.5 in (1 SW Minooka, IL)
Fri, Jul 3, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jun 24, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jun 11, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, May 4, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Apr 13, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Tue, Mar 10, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sun, Sep 21, 2025
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Aug 16, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 12, 2025
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jul 24, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Jul 10, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jun 25, 2025
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Tue, Jun 17, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, May 15, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 27, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Mon, Aug 5, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Jul 13, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Jun 24, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jun 13, 2024
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sat, Jun 8, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Fri, May 24, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Tue, May 7, 2024
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Tue, Sep 5, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Aug 14, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jul 22, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jun 24, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jun 1, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, May 7, 2023
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Thu, Apr 20, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Tue, Apr 4, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Mar 31, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Mon, Aug 29, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Aug 20, 2022
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Jul 23, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Jun 19, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, May 16, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, May 15, 2022
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sat, May 14, 2022
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sat, Apr 30, 2022
Reported in the county
- 1 in (MAZON, IL)
Tue, Sep 7, 2021
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sun, Sep 5, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Sep 4, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Wed, Aug 25, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Aug 11, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Aug 10, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Aug 8, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Wed, Aug 4, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jun 12, 2021
Radar estimate anywhere in the county: 3 in or larger (teacup)
No hail reported in the county.
Fri, Jun 11, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Mar 2, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.

Check your own address →Weather in Grundy County, IL now →Get warned before the next storm →

Radar estimates and reports are for anywhere inside the county's boundary. Radar estimates come from NOAA's MRMS estimated hail size (MESH), the largest hail the radar estimates aloft on a ~1 km grid. They often run larger than the hail that reached the ground, and they aren't an observation at any address. Reports are what people reported to the National Weather Service. Neither is proof of damage or an official record for an insurance claim. From NOAA's Storm Events Database (NCEI), which records tornadoes from 1950, hail and thunderstorm wind from 1955, and every kind of storm from 1996. A tornado that crossed county lines is counted in each county it touched. Recent months are added as NCEI publishes them, a few months behind. Damage is in the dollars of its year and is often an estimate.