Hail History

Hail history for Miles City, Montana

NOAA hail reports in and within about 5 km (3 miles) of Miles City since 1958, with preliminary reports to November 3, 2026.

Readout · Miles City

Last hail
Jun 20, 2025
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 4 reports
Largest ever
2.50 in
tennis ball · Jun 28, 2018

63 reports on 39 days since 1958 · #3 of 111 Montana places

Hail map · Miles City

Miles City Terry 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
63 most recent reports with a location; Custer County is shaded. Open street map

For homeowners

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What the record says about Miles City

The latest hail report in and around Miles City is from June 20, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on July 1, 2022.

Over the 20 years 2006–2025, Miles City logged 30 reports on 14 hail days, about 1.5 reports a year. That is 3.3 times the median Montana town on this site (0.5 a year) and ranks #3 of 111 Montana cities and towns on this site for all-time reports. Miles City accounts for 26% of the 239 reports filed in Custer County.

8% 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 2.50 in (tennis ball) on June 28, 2018 near 1.46 NNW Miles City.

Reports were up 31% in 2016–2025 (17) compared with 2006–2015 (13). The busiest year was 2018, with 8 reports on 2 days. Hail here peaks in June (52% of reports); 59% fall between April and June.

Reports a year 2006–2025 average

  • Miles City 1.5
  • Custer County 6.5
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Miles City 14
  • Custer County 55
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Miles City 8%
  • Custer County 12%
  • Median Montana town on this site 8%

Hail over time

02468 1958: 2 reports, largest 1.75 in 1960: 1 reports, largest 1.50 in 1960 1962: 2 reports, largest 1.50 in 1966: 2 reports, largest 1.00 in 1969: 1 reports, largest 0.75 in 1970: 1 reports, largest 0.75 in 1970 1975: 1 reports, largest 0.75 in 1976: 1 reports, largest 1.00 in 1978: 1 reports, largest 1.00 in 1980 1982: 2 reports, largest 0.75 in 1984: 1 reports, largest 1.75 in 1990 1991: 3 reports, largest 2.25 in 1992: 2 reports, largest 1.00 in 1998: 2 reports, largest 0.75 in 1999: 1 reports, largest 0.88 in 2000 2001: 3 reports, largest 1.25 in 2002: 6 reports, largest 1.75 in 2005: 1 reports, largest 1.00 in 2006: 5 reports, largest 1.75 in 2009: 3 reports, largest 0.88 in 2010 2012: 2 reports, largest 1.75 in 2013: 2 reports, largest 2.50 in 2015: 1 reports, largest 0.88 in 2016: 2 reports, largest 2.00 in 2017: 1 reports, largest 0.75 in 2018: 8 reports, largest 2.50 in 2019: 1 reports, largest 0.88 in 2020: 1 reports, largest 0.75 in 2020 2022: 1 reports, largest 1.75 in 2025: 3 reports, largest 1.25 in
Reports per year, 1958–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan Feb March: 1 reports (2%) Mar Apr May: 4 reports (6%) May June: 33 reports (52%) Jun July: 16 reports (25%) Jul August: 9 reports (14%) Aug Sep Oct Nov Dec
All 63 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 3 3
2024 0
2023 0
2022 1 1
2021 0
2020 1 1
2019 1 1
2018 53 8
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 20, 2025 3 1.25 in —
Jul 1, 2022 1 1.75 in —

Largest hail on record

Largest hail reports in Miles City
Date Size Location County Time · source
Jun 28, 2018 2.50 intennis ball 1.46 NNW Miles City Custer 18:20 local · NCEI
Aug 30, 2013 2.50 intennis ball 2.13 NNE (Mls)wiley Fld Miles Custer 17:35 local · NCEI
Jun 29, 1991 2.25 inhen egg — Custer 18:47 local · NCEI
Jun 28, 2018 2.00 inhen egg 0.48 W Miles City Custer 18:20 local · NCEI
Jun 11, 2016 2.00 inhen egg 2.82 NE Miles City Custer 16:55 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 Miles City
Date Size Location County Time · source
Jun 20, 2025 1.00 inquarter 0.84 SE Miles City Custer 14:45 local · NCEI
Jun 20, 2025 1.25 inhalf dollar 1.18 SE Miles City Custer 14:38 local · NCEI
Jun 20, 2025 1.00 inquarter 0.84 NW Miles City Custer 14:37 local · NCEI
Jul 1, 2022 1.75 ingolf ball 1.38 N Miles City Custer 16:54 local · NCEI
May 31, 2020 0.75 inpenny 0.84 NE Miles City Custer 16:07 local · NCEI
May 13, 2019 0.88 innickel 0.95 W Miles City Custer 18:15 local · NCEI
Jul 2, 2018 1.00 inquarter 0.95 W Miles City Custer 21:40 local · NCEI
Jul 2, 2018 0.88 innickel 1.18 NW Miles City Custer 20:42 local · NCEI
Jul 2, 2018 1.00 inquarter 1.99 NE Miles City Custer 20:34 local · NCEI
Jun 28, 2018 1.25 inhalf dollar 2.82 NE Miles City Custer 18:40 local · NCEI
Jun 28, 2018 1.75 ingolf ball 1.18 NW Miles City Custer 18:21 local · NCEI
Jun 28, 2018 2.50 intennis ball 1.46 NNW Miles City Custer 18:20 local · NCEI

Hail history near Miles City

Questions about hail in Miles City

How often does it hail in Miles City, Montana?

63 hail reports have been logged in and within about 5 km (3 miles) of Miles City since 1958. Over the 20 years 2006–2025 that averages 1.5 reports a year. That ranks #3 of 111 Montana places by number of reports.

When is hail season in Miles City?

Most reports come in June, July, August. June alone accounts for 52% of all reports.

What is the largest hail recorded in Miles City?

2.50 in (tennis ball size) on June 28, 2018 near 1.46 NNW Miles City. 8% of reports here were 2 inches or larger.

When did it last hail in Miles City?

The most recent report in this data is from June 20, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was June 20, 2025.

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.