County Hazards

Storm events on record through

Hail events in Jefferson County, Illinois The hail events on record, by date and by year

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 92 hail events on record for Jefferson County, Illinois, from 1955 through 30 Jun 2026.

The newest hail event on record is on 27 Apr 2026.

From 2016 through 2025, NCEI has 15 hail events on record for the county.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.

The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

Date of the data: NCEI storm events through . Event types on this page: Hail.

Newest hail events on record

Hail1.00 in, quarter size

At (MVN)MT VERNON ARPT

Hail1.00 in, quarter size

2 miles N of BAKERVILLE

Hail0.88 in, nickel size

1 mile N of DIX

Hail0.88 in, nickel size

1 mile SW of MT VERNON

Hail1.25 in, half dollar size

At WOODLAWN

Hail1.00 in, quarter size

3 miles NNW of WOODLAWN

Hail0.75 in, penny size

2 miles N of BONNIE

Hail1.00 in, quarter size

At DIX

Hail1.25 in, half dollar size

At INA

Hail1.00 in, quarter size

3 miles WSW of WALTONVILLE

Hail1.50 in, ping-pong ball size

At MT VERNON

Hail0.88 in, nickel size

1 mile W of WOODLAWN

Hail0.75 in, penny size

1 mile N of MT VERNON

Hail0.75 in, penny size

3 miles SSW of MT VERNON

Hail0.75 in, penny size

At SCHELLER

Hail1.00 in, quarter size

At MT VERNON

Hail1.00 in, quarter size

At MT VERNON

Hail1.00 in, quarter size

At WOODLAWN

Hail0.75 in, penny size

At BONNIE

Hail0.88 in, nickel size

3 miles S of MT VERNON

Hail0.75 in, penny size

At MT VERNON

Hail0.88 in, nickel size

2 miles NNW of BOYD

Hail1.00 in, quarter size

At MT VERNON

Hail1.50 in, ping-pong ball size

1 mile W of WOODLAWN

Hail1.75 in, golf ball size

2 miles E of BOYD. Damage estimate: $10 thousand

A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. Hail size is in inches, with the object that NCEI names for that size.

Hail events by year

Hail events on record for Jefferson County by year, 1950 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1950s00000100001
1960s00000000000
1970s00001000001
1980s00000000022
1990s00001132029
2000s133475829143
2010s136442222127
2020s1101321 (part of the year)9

A darker cell has a larger count. The number is in each cell.

Hail events are on record from 1955. The year 2026 has the events through 30 Jun 2026 only.

By month, all years

  1. Jan1 event
  2. Feb2 events
  3. Mar10 events
  4. Apr32 events
  5. May20 events
  6. Jun11 events
  7. Jul6 events
  8. Aug6 events
  9. Sep1 event
  10. Oct1 event
  11. Nov2 events
  12. Dec0 events

Magnitudes on record

Hail events on record for Jefferson County by hail size
Hail sizeSize in wordsEvents
under 1 inpea to quarter41
1 to 1.74 inquarter to golf ball34
1.75 to 2.74 ingolf ball to baseball15
2.75 to 3.99 inbaseball to softball2
4 in and largersoftball and larger0

When listing hail size under Magnitude, e.g., 2.25 in., the hail size is given in inches and hundredths of inches. These values are assigned a size in inches from their appearance.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

An event without a size in the record is not in this table.

Beside the other counties

Hail events on record: Jefferson County beside the total of the counties of Illinois and of the United States
MeasureJeffersonAll counties of IllinoisAll counties of the United States
Hail events, 1955 to 20269212,294423,723
Events for each 100 square miles16.122.112.0
Events for each 10,000 residents24.99.712.8

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.

More hail events on record

Hail events on record for Jefferson County, newest first, without the 25 newest events above
DateEvent typeMagnitudeDamage estimateDeathsInjuriesOn record for
Hail1.00 in$5 thousand00County
Hail0.75 innone00County
Hail0.88 innone00County
Hail1.00 innone00County
Hail0.75 innone00County
Hail1.00 innone00County
Hail1.25 innone00County
Hail1.00 innone00County
Hail0.88 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.88 innone00County
Hail0.88 innone00County
Hail1.75 in$10 thousand00County
Hail0.88 innone00County
Hail1.00 innone00County
Hail1.00 innone00County
Hail0.75 innone00County
Hail1.00 innone00County
Hail1.75 innone00County
Hail0.88 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail0.75 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail1.00 innone00County
Hail0.75 innone00County
Hail1.00 innone00County
Hail1.00 innone00County
Hail0.88 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail0.88 innone00County
Hail0.88 innone00County
Hail1.75 innone00County
Hail0.88 innone00County
Hail2.50 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail2.75 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail1.50 innone00County
Hail1.00 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail1.75 innone00County
Hail1.00 innone00County
Hail3.50 in$50 thousand00County
Hail0.75 innone00County
Hail1.75 innone00County
Hail0.75 innone00County
Hail1.00 innone00County
Hail0.75 innone00County
Hail0.75 innone00County
Hail1.00 innone00County
Hail2.00 innone00County
Hail2.00 innone00County
Hail0.75 innone00County
Hail2.00 innone00County

The table has all other events on record. A damage figure is an estimate in the NCEI record.

Official channels

These links open the pages of the agencies. The site checked the links on .

Cite this page

County Hazards. "Hail events on record for Jefferson County, Illinois". https://countyhazards.com/county/il/jefferson/hail/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on .

Questions

Which month has the most hail events on record for Jefferson County?
April has 32 of the 92 hail events on record from 1955 through 30 Jun 2026.
How many hail events are on record for Illinois?
NCEI has 12,331 hail events on record for Illinois from 1955 through 30 Jun 2026. That count has every forecast zone of the state.
How does Jefferson County compare with the other counties of Illinois?
The counties of Illinois have 22.1 hail events for each 100 square miles. Jefferson County has 16.1.
How large is the hail on record for Jefferson County?
17 hail events have a size of 1.75 inches or more. NCEI names 1.75 inches a golf ball.