Hail History

Hail history for Mtz003 County, Montana

Every NOAA hail report filed in Mtz003 County since 1957, with preliminary National Weather Service reports to November 3, 2026.

Readout · Mtz003 County

Last hail
May 20, 1995
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Jul 11, 1965

19 reports on 15 days since 1957 · #55 of 57 Montana counties

Hail map · Mtz003 County

25 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. Dot size and colour follow hail size. Open street map

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What the record says about Mtz003 County

The latest hail report in Mtz003 County is from May 20, 1995, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Mtz003 County logged 0 reports on 0 hail days, about 0.0 reports a year. That is 0% of the median Montana county (3.0 a year) and ranks #55 of 57 Montana counties for all-time reports. Mtz003 County holds 0% of all 8,453 hail reports in Montana.

11% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Montana county. The largest hail on record here is 2.75 in (baseball) on July 11, 1965.

The busiest year was 1958, with 6 reports on 3 days. Hail here peaks in June (37% of reports); 53% fall between April and June.

Reports a year 2006–2025 average

  • Mtz003 County 0.0
  • Median Montana county 3.0

Hail days 2006–2025

  • Mtz003 County 0
  • Median Montana county 31

Share 2 in or larger of sized reports

  • Mtz003 County 11%
  • Median Montana county 7%

Hail over time

0246 1957: 1 reports, largest 1.75 in 1958: 6 reports, largest 1.00 in 1960 1961: 2 reports, largest 0.75 in 1965: 2 reports, largest 2.75 in 1968: 1 reports, largest 1.00 in 1969: 1 reports, largest 1.75 in 1970 1973: 1 reports, largest 1.00 in 1974: 2 reports, largest 2.00 in 1980 1990 1995: 3 reports, largest 1.00 in 2000 2010 2020
Reports per year, 1957–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb March: 1 reports (5%) Mar Apr May: 3 reports (16%) May June: 7 reports (37%) Jun July: 6 reports (32%) Jul August: 2 reports (11%) Aug Sep Oct Nov Dec
All 19 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 Mtz003 County
Date Size Location Time · source
Jul 11, 1965 2.75 inbaseball — 21:30 local · NCEI
Jul 8, 1974 2.00 inhen egg — 18:30 local · NCEI
Jun 20, 1974 1.75 ingolf ball — 19:30 local · NCEI
Jul 20, 1969 1.75 ingolf ball — 14:00 local · NCEI
Jul 20, 1965 1.75 ingolf ball — 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 Mtz003 County
Date Size Location Time · source
May 20, 1995 1.00 inquarter Brandenburg 19:45 local · NCEI
May 20, 1995 0.75 inpenny Forsyth 18:00 local · NCEI
Mar 3, 1995 1.00 inquarter Fort Wood 02:00 local · NCEI
Jul 8, 1974 2.00 inhen egg — 18:30 local · NCEI
Jun 20, 1974 1.75 ingolf ball — 19:30 local · NCEI
Jun 30, 1973 1.00 inquarter — 15:00 local · NCEI
Jul 20, 1969 1.75 ingolf ball — 14:00 local · NCEI
Jun 23, 1968 1.00 inquarter — 12:00 local · NCEI
Jul 20, 1965 1.75 ingolf ball — 16:00 local · NCEI
Jul 11, 1965 2.75 inbaseball — 21:30 local · NCEI
Aug 2, 1961 0.75 inpenny — 21:30 local · NCEI
May 30, 1961 0.75 inpenny — 16:30 local · NCEI

This county's FIPS code is no longer current in the Census Gazetteer (for example Connecticut's former counties); reports are shown as NOAA filed them.

Questions about hail in Mtz003 County

How often does it hail in Mtz003 County, Montana?

19 hail reports have been logged in Mtz003 County since 1957. Over the 20 years 2006–2025 that averages 0.0 reports a year. That ranks #55 of 57 Montana counties by number of reports.

When is hail season in Mtz003 County?

Most reports come in June, July, May. June alone accounts for 37% of all reports.

What is the largest hail recorded in Mtz003 County?

2.75 in (baseball size) on July 11, 1965. 11% of reports here were 2 inches or larger.

When did it last hail in Mtz003 County?

The most recent report in this data is from May 20, 1995 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Mtz003 County had in the last five years?

None: there has been no hail report in Mtz003 County since November 3, 2021. The last one was on May 20, 1995.

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.