Hail History

Hail history for Chester, Montana

NOAA hail reports in and within about 5 km (3 miles) of Chester since 1959, with preliminary reports to November 3, 2026.

Readout · Chester

Last hail
Jun 13, 2020
1.50 in, ping pong ball size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jun 26, 1996

16 reports on 13 days since 1959 · #58 of 111 Montana places

Hail map · Chester

Chester 20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
16 most recent reports with a location; Liberty County is shaded. Open street map

For homeowners

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What the record says about Chester

The latest hail report in and around Chester is from June 13, 2020, 1.50 in (ping pong ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Chester logged 3 reports on 3 hail days, about 0.1 reports a year. That is 33% of the median Montana town on this site (0.5 a year) and ranks #58 of 111 Montana cities and towns on this site for all-time reports. Chester accounts for 30% of the 53 reports filed in Liberty County.

6% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Montana town on this site. The largest hail on record here is 2.00 in (hen egg) on June 26, 1996 near Chester.

The busiest year was 1996, with 4 reports on 1 day. Hail here peaks in June (44% of reports); 56% fall between April and June.

Reports a year 2006–2025 average

  • Chester 0.1
  • Liberty County 1.1
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Chester 3
  • Liberty County 16
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Chester 6%
  • Liberty County 8%
  • Median Montana town on this site 8%

Hail over time

01234 1959: 1 reports, largest 0.75 in 1960: 1 reports, largest 0.75 in 1960 1966: 1 reports, largest 1.75 in 1970 1980 1983: 1 reports, largest 1.75 in 1986: 1 reports, largest 1.00 in 1987: 1 reports, largest 1.75 in 1990 1996: 4 reports, largest 2.00 in 1998: 1 reports, largest 0.75 in 2000 2002: 1 reports, largest 1.25 in 2003: 1 reports, largest 1.00 in 2010 2012: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2020: 1 reports, largest 1.50 in 2020
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May: 2 reports (13%) May June: 7 reports (44%) Jun July: 5 reports (31%) Jul August: 2 reports (13%) Aug Sep Oct Nov Dec
All 16 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 1 1
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in Chester
Date Size Location County Time · source
Jun 26, 1996 2.00 inhen egg Chester Liberty 23:00 local · NCEI
Jun 26, 1996 1.75 ingolf ball Chester Liberty 23:20 local · NCEI
Jul 25, 1987 1.75 ingolf ball — Liberty 20:00 local · NCEI
Jul 19, 1983 1.75 ingolf ball — Liberty 23:30 local · NCEI
May 30, 1966 1.75 ingolf ball — Liberty 16:00 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 Chester
Date Size Location County Time · source
Jun 13, 2020 1.50 inping pong ball 0.83 SSE Chester Lbrty Co Arp Liberty 18:43 local · NCEI
May 12, 2017 1.00 inquarter 0.83 SSE Chester Lbrty Co Arp Liberty 16:13 local · NCEI
Jun 26, 2012 1.00 inquarter Chester Liberty 06:20 local · NCEI
Aug 8, 2003 1.00 inquarter Chester Liberty 21:20 local · NCEI
Aug 5, 2002 1.25 inhalf dollar Chester Liberty 19:45 local · NCEI
Jul 5, 1998 0.75 inpenny Chester Liberty 16:40 local · NCEI
Jun 26, 1996 1.00 inquarter Chester Liberty 23:45 local · NCEI
Jun 26, 1996 1.75 ingolf ball Chester Liberty 23:20 local · NCEI
Jun 26, 1996 2.00 inhen egg Chester Liberty 23:00 local · NCEI
Jun 26, 1996 0.75 inpenny Chester Liberty 18:00 local · NCEI
Jul 25, 1987 1.75 ingolf ball — Liberty 20:00 local · NCEI
Jun 17, 1986 1.00 inquarter — Liberty 19:15 local · NCEI

Questions about hail in Chester

How often does it hail in Chester, Montana?

16 hail reports have been logged in and within about 5 km (3 miles) of Chester since 1959. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #58 of 111 Montana places by number of reports.

When is hail season in Chester?

Most reports come in June, July, May. June alone accounts for 44% of all reports.

What is the largest hail recorded in Chester?

2.00 in (hen egg size) on June 26, 1996 near Chester. 6% of reports here were 2 inches or larger.

When did it last hail in Chester?

The most recent report in this data is from June 13, 2020 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Chester since November 3, 2021. The last one was on June 13, 2020.

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.