Hail and tornadoes in Jefferson County, IL

Since January 2021, radar estimated hail somewhere in Jefferson County, IL on 56 days. The biggest estimate: 2 in or larger (hen egg), on Sat, May 16, 2026. Hail was reported to the National Weather Service inside the county on 6 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

2+ in

Sat, May 16, 2026

Largest reported

1.75 in

Sat, May 16, 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.

Hail on record since 1955

NOAA's Storm Events database lists 72 hail reports in Jefferson County, IL on 59 days, 2 of them 2 inches or larger. The largest: 2.75 in, near Mt Vernon, on Thu, Apr 24, 2003.

By decade: 2000s: 36 · 2010s: 27 · 2020s: 9

Tornadoes since 1950

16 tornadoes have touched Jefferson County, IL since 1950, none of them rated F3/EF3 or stronger. They killed 1 and injured 2.

Strongest

Fri, Mar 23, 2012 · EF2 · 2.58 mi long, 100 yd wide · near Shirley · 1 death, 2 injuries
Wed, May 25, 2011 · EF2 · 13.48 mi long, 250 yd wide · near Woodlawn
Thu, Mar 14, 2024 · EF1 · 0.5 mi long, 150 yd wide · near Mt Vernon
Mon, Oct 13, 2014 · EF1 · 0.66 mi long, 50 yd wide · near Bluford
Mon, Oct 13, 2014 · EF1 · 2.47 mi long, 100 yd wide · near Dix

Most recent

Thu, Mar 14, 2024 · EF1 · 0.5 mi long, 150 yd wide · near Mt Vernon
Thu, Mar 19, 2020 · EF0 · 0.58 mi long, 75 yd wide · near Belle Rive
Wed, Aug 2, 2017 · EF0 · 0.5 mi long, 40 yd wide · near Ina
Mon, Oct 13, 2014 · EF1 · 0.66 mi long, 50 yd wide · near Bluford
Mon, Oct 13, 2014 · EF1 · 2.47 mi long, 100 yd wide · near Dix
Sun, Nov 17, 2013 · EF1 · 0.15 mi long, 25 yd wide · near Opdyke
Fri, Mar 23, 2012 · EF2 · 2.58 mi long, 100 yd wide · near Shirley · 1 death, 2 injuries
Wed, May 25, 2011 · EF2 · 13.48 mi long, 250 yd wide · near Woodlawn
Tue, Apr 19, 2011 · EF1 · 1.43 mi long, 100 yd wide · near Bluford
Tue, Apr 19, 2011 · EF1 · 4.27 mi long, 100 yd wide · near Mt Vernon

By decade: 2000s: 5 · 2010s: 9 · 2020s: 2

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

Every hail day since January 2021

Fri, Sep 18, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Aug 21, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sun, Aug 16, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Aug 12, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Wed, Jul 8, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jul 4, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sun, Jun 21, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Tue, Jun 16, 2026
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sun, May 31, 2026
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, May 16, 2026
Radar estimate anywhere in the county: 2 in or larger (hen egg)
Reported in the county
- 1.75 in (3 SSE Dix, IL)
- 1 in (5 SE Dix, IL)
Mon, Apr 27, 2026
Radar estimate anywhere in the county: 1 in or larger (quarter)
Reported in the county
- 1 in (2 ENE Mount Vernon, IL)
Sat, Sep 20, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Sep 14, 2025
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Tue, Aug 19, 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: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jul 23, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jul 16, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Jun 6, 2025
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Fri, May 16, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Apr 29, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Mar 30, 2025
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
Reported in the county
- 1 in (1 SW Mount Vernon, IL)
Thu, Aug 15, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Aug 1, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Jul 29, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jul 25, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Jul 15, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Jul 12, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jul 11, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Tue, Jun 25, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, May 26, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Wed, May 8, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Apr 18, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
Reported in the county
- 1.25 in (Woodlawn, IL)
Mon, Apr 1, 2024
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Mar 14, 2024
Radar estimate anywhere in the county: 1 in or larger (quarter)
Reported in the county
- 1 in (3 NW Woodlawn, IL)
- 1 in (3 N Belle Rive, IL)
Fri, Aug 25, 2023
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.
Sun, Aug 13, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Aug 6, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sat, Jul 29, 2023
Radar estimate anywhere in the county: 2 in or larger (hen egg)
No hail reported in the county.
Fri, Jul 28, 2023
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Fri, Jun 30, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Jun 29, 2023
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
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.
Sat, Sep 10, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Aug 29, 2022
Radar estimate anywhere in the county: 1 in or larger (quarter)
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.
Mon, Aug 8, 2022
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Mon, Aug 1, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Jul 24, 2022
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Sat, Jun 25, 2022
Radar estimate anywhere in the county: 1 in or larger (quarter)
No hail reported in the county.
Thu, Jun 16, 2022
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, Jul 15, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jun 30, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Fri, Jun 18, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, May 27, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Thu, May 6, 2021
Radar estimate anywhere in the county: 1 in or larger (quarter)
Reported in the county
- 1 in (1 ESE DIX, IL)
Sat, Mar 27, 2021
Radar estimate anywhere in the county: 1.5 in or larger (ping-pong ball)
No hail reported in the county.

Check your own address →Weather in Jefferson 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.