Hail History

Hail history for Monarch, Montana

NOAA hail reports in and within about 5 km (3 miles) of Monarch since 1975, with preliminary reports to November 3, 2026.

Readout · Monarch

Last hail
Jul 18, 2016
1.75 in, golf ball size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jun 24, 2007

12 reports on 10 days since 1975 · #82 of 111 Montana places

Hail map · Monarch

Monarch Raynesford Geyser Malmstrom AFB Great Falls 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Cascade County is shaded. Open street map

For homeowners

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What the record says about Monarch

The latest hail report in and around Monarch is from July 18, 2016, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Monarch logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Montana town on this site (0.5 a year) and ranks #82 of 111 Montana cities and towns on this site for all-time reports. Monarch accounts for 5% of the 256 reports filed in Cascade 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 2.00 in (hen egg) on June 24, 2007 near Monarch.

The busiest year was 2016, with 3 reports on 2 days. Hail here peaks in June (50% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Monarch 0.3
  • Cascade County 6.7
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Monarch 5
  • Cascade County 51
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Monarch 8%
  • Cascade County 7%
  • Median Montana town on this site 8%

Hail over time

0123 1975: 1 reports, largest 1.75 in 1980 1981: 1 reports, largest 1.50 in 1990: 1 reports, largest 1.50 in 1990 1996: 2 reports, largest 1.00 in 2000 2001: 1 reports, largest 0.88 in 2007: 1 reports, largest 2.00 in 2009: 1 reports, largest 1.75 in 2010 2013: 1 reports, largest 1.00 in 2016: 3 reports, largest 1.75 in 2020
Reports per year, 1975–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May June: 6 reports (50%) Jun July: 3 reports (25%) Jul August: 3 reports (25%) Aug Sep Oct Nov Dec
All 12 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 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Monarch
Date Size Location County Time · source
Jun 24, 2007 2.00 inhen egg Monarch Cascade 18:50 local · NCEI
Jul 18, 2016 1.75 ingolf ball Monarch Cascade 17:30 local · NCEI
Jul 6, 2009 1.75 ingolf ball 3 S Monarch Cascade 15:00 local · NCEI
Jun 30, 1975 1.75 ingolf ball — Cascade 19:02 local · NCEI
Aug 20, 1990 1.50 inping pong ball — Cascade 16:25 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 Monarch
Date Size Location County Time · source
Jul 18, 2016 1.75 ingolf ball Monarch Cascade 17:30 local · NCEI
Jun 10, 2016 1.00 inquarter Monarch Cascade 15:40 local · NCEI
Jun 10, 2016 1.00 inquarter Monarch Cascade 15:40 local · NCEI
Aug 3, 2013 1.00 inquarter 1 SSE Monarch Cascade 19:34 local · NCEI
Jul 6, 2009 1.75 ingolf ball 3 S Monarch Cascade 15:00 local · NCEI
Jun 24, 2007 2.00 inhen egg Monarch Cascade 18:50 local · NCEI
Jul 17, 2001 0.88 innickel Monarch Cascade 14:40 local · NCEI
Jun 25, 1996 1.00 inquarter Monarch Cascade 18:55 local · NCEI
Jun 25, 1996 1.00 inquarter Monarch Cascade 18:00 local · NCEI
Aug 20, 1990 1.50 inping pong ball — Cascade 16:25 local · NCEI
Aug 4, 1981 1.50 inping pong ball — Cascade 16:30 local · NCEI
Jun 30, 1975 1.75 ingolf ball — Cascade 19:02 local · NCEI

Hail history near Monarch

Questions about hail in Monarch

How often does it hail in Monarch, Montana?

12 hail reports have been logged in and within about 5 km (3 miles) of Monarch since 1975. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #82 of 111 Montana places by number of reports.

When is hail season in Monarch?

Most reports come in June, July, August. June alone accounts for 50% of all reports.

What is the largest hail recorded in Monarch?

2.00 in (hen egg size) on June 24, 2007 near Monarch. 8% of reports here were 2 inches or larger.

When did it last hail in Monarch?

The most recent report in this data is from July 18, 2016 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Monarch since November 3, 2021. The last one was on July 18, 2016.

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.