Hail History

Hail history for DeKalb, Illinois

NOAA hail reports in and within about 5 km (3 miles) of DeKalb since 1980, with preliminary reports to November 3, 2026.

Readout · DeKalb

Last hail
Apr 14, 2026
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 4 reports
Largest ever
1.75 in
golf ball · Aug 2, 2015

33 reports on 28 days since 1980 · #42 of 378 Illinois places

Hail map · DeKalb

DeKalb Sycamore Waterman Rochelle Sugar Grove Plano Paw Paw Geneva St. Charles 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
33 most recent reports with a location; DeKalb County is shaded. Open street map

For homeowners

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What the record says about DeKalb

The latest hail report in and around DeKalb is from April 14, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.25 in on April 14, 2026.

Over the 20 years 2006–2025, DeKalb logged 17 reports on 16 hail days, about 0.8 reports a year. That is 70% more than the median Illinois town on this site (0.5 a year) and ranks #42 of 378 Illinois cities and towns on this site for all-time reports. DeKalb accounts for 37% of the 90 reports filed in DeKalb County.

0% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Illinois town on this site. The largest hail on record here is 1.75 in (golf ball) on August 2, 2015 near 0.73 SW Dekalb.

Reports were down 69% in 2016–2025 (4) compared with 2006–2015 (13). The busiest year was 2026, with 4 reports on 1 day. Hail here peaks in April (27% of reports); 64% fall between April and June.

Reports a year 2006–2025 average

  • DeKalb 0.8
  • DeKalb County 2.5
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • DeKalb 16
  • DeKalb County 36
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • DeKalb 0%
  • DeKalb County 3%
  • Median Illinois town on this site 4%

Hail over time

01234 1980: 1 reports, largest 1.00 in 1980 1984: 1 reports, largest 1.00 in 1987: 1 reports, largest 1.75 in 1990 1991: 1 reports, largest 1.75 in 2000: 2 reports, largest 1.75 in 2000 2001: 1 reports, largest 1.00 in 2003: 1 reports, largest 1.00 in 2004: 1 reports, largest 0.75 in 2005: 3 reports, largest 0.75 in 2006: 2 reports, largest 1.00 in 2007: 2 reports, largest 0.75 in 2008: 1 reports, largest 0.75 in 2009: 2 reports, largest 0.88 in 2010: 1 reports, largest 0.88 in 2010 2012: 1 reports, largest 0.88 in 2013: 1 reports, largest 0.88 in 2014: 2 reports, largest 1.75 in 2015: 1 reports, largest 1.75 in 2017: 2 reports, largest 0.88 in 2018: 1 reports, largest 1.00 in 2019: 1 reports, largest 0.88 in 2020 2026: 4 reports, largest 1.25 in
Reports per year, 1980–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan February: 1 reports (3%) Feb March: 5 reports (15%) Mar April: 9 reports (27%) Apr May: 5 reports (15%) May June: 7 reports (21%) Jun July: 1 reports (3%) Jul August: 1 reports (3%) Aug September: 1 reports (3%) Sep October: 3 reports (9%) Oct Nov Dec
All 33 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 4 4
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 1 1
2018 1 1
2017 11 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 14, 2026 4 1.25 in —

Largest hail on record

Largest hail reports in DeKalb
Date Size Location County Time · source
Aug 2, 2015 1.75 ingolf ball 0.73 SW Dekalb De Kalb 12:40 local · NCEI
May 20, 2014 1.75 ingolf ball 2.25 SSW De Kalb De Kalb 17:57 local · NCEI
May 18, 2000 1.75 ingolf ball De Kalb De Kalb 11:00 local · NCEI
Mar 27, 1991 1.75 ingolf ball — De Kalb 15:03 local · NCEI
May 11, 1987 1.75 ingolf ball — De Kalb 17:02 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in DeKalb
Date Size Location County Time · source
Apr 14, 2026 1.00 inquarter 1.24 NE Dekalb De Kalb 20:47 local · NCEI
Apr 14, 2026 1.25 inhalf dollar 1.47 NNE Dekalb De Kalb 20:42 local · NCEI
Apr 14, 2026 1.25 inhalf dollar Dekalb De Kalb 20:40 local · NCEI
Apr 14, 2026 1.00 inquarter 1.72 NW Dekalb De Kalb 20:38 local · NCEI
Apr 11, 2019 0.88 innickel Dekalb De Kalb 08:15 local · NCEI
May 2, 2018 1.00 inquarter De Kalb De Kalb 17:35 local · NCEI
Mar 7, 2017 0.88 innickel 0.99 WNW De Kalb De Kalb 00:41 local · NCEI
Feb 28, 2017 0.88 innickel De Kalb De Kalb 16:39 local · NCEI
Aug 2, 2015 1.75 ingolf ball 0.73 SW Dekalb De Kalb 12:40 local · NCEI
Jun 18, 2014 0.75 inpenny 1.03 W Dekalb De Kalb 21:15 local · NCEI
May 20, 2014 1.75 ingolf ball 2.25 SSW De Kalb De Kalb 17:57 local · NCEI
Apr 17, 2013 0.88 innickel De Kalb De Kalb 10:10 local · NCEI

Hail history near DeKalb

Questions about hail in DeKalb

How often does it hail in DeKalb, Illinois?

33 hail reports have been logged in and within about 5 km (3 miles) of DeKalb since 1980. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #42 of 378 Illinois places by number of reports.

When is hail season in DeKalb?

Most reports come in April, June, March. April alone accounts for 27% of all reports.

What is the largest hail recorded in DeKalb?

1.75 in (golf ball size) on August 2, 2015 near 0.73 SW Dekalb. 0% of reports here were 2 inches or larger.

When did it last hail in DeKalb?

The most recent report in this data is from April 14, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has DeKalb had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was April 14, 2026.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.