Hail History

Hail history for Morrow County, Oregon

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

Readout · Morrow County

Last hail
May 31, 2015
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.50 in
tennis ball · Jun 1, 1957

31 reports on 24 days since 1957 · #10 of 26 Oregon counties

Hail map · Morrow County

25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
29 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Morrow County is from May 31, 2015. A local roofer can check and document it at no cost.

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What the record says about Morrow County

The latest hail report in Morrow County is from May 31, 2015, 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, Morrow County logged 18 reports on 12 hail days, about 0.9 reports a year. That is 58% more than the median Oregon county (0.6 a year) and ranks #10 of 26 Oregon counties for all-time reports. Morrow County holds 4% of all 857 hail reports in Oregon.

10% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Oregon county. The largest hail on record here is 2.50 in (tennis ball) on June 1, 1957.

Reports were down 100% in 2016–2025 (0) compared with 2006–2015 (18). The busiest year was 2006, with 6 reports on 4 days. Hail here peaks in July (32% of reports); 35% fall between April and June.

Reports a year 2006–2025 average

  • Morrow County 0.9
  • Median Oregon county 0.6

Hail days 2006–2025

  • Morrow County 12
  • Median Oregon county 10.5

Share 2 in or larger of sized reports

  • Morrow County 10%
  • Median Oregon county 0%

Hail over time

0246 1957: 1 reports, largest 2.50 in 1960 1970 1971: 1 reports, largest 1.00 in 1980 1990 1991: 1 reports, largest 1.75 in 1992: 1 reports, largest 1.75 in 1995: 2 reports, largest 2.00 in 1997: 1 reports, largest 1.75 in 1999: 1 reports, largest 0.88 in 2000: 1 reports, largest 0.75 in 2000 2002: 1 reports, largest 1.75 in 2003: 1 reports, largest 0.75 in 2004: 2 reports, largest 1.00 in 2006: 6 reports, largest 1.75 in 2007: 1 reports, largest 0.75 in 2008: 1 reports, largest 1.00 in 2009: 1 reports, largest 0.88 in 2010 2011: 1 reports, largest 0.75 in 2012: 4 reports, largest 2.00 in 2013: 3 reports, largest 1.75 in 2015: 1 reports, largest 1.00 in 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.
036912 Jan Feb Mar Apr May: 5 reports (16%) May June: 6 reports (19%) Jun July: 10 reports (32%) Jul August: 7 reports (23%) Aug September: 3 reports (10%) Sep Oct Nov Dec
All 31 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 Morrow County
Date Size Location Time · source
Jun 1, 1957 2.50 intennis ball — 16:00 local · NCEI
Jul 17, 2012 2.00 inhen egg 0.48 W Lexington 16:30 local · NCEI
Jul 9, 1995 2.00 inhen egg Ione 12:25 local · NCEI
Sep 5, 2013 1.75 ingolf ball 9.78 S Lena 14:10 local · NCEI
Jul 17, 2012 1.75 ingolf ball 10.41 S Lena 15:15 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 Morrow County
Date Size Location Time · source
May 31, 2015 1.00 inquarter 5.55 S Lexington 17:10 local · NCEI
Sep 15, 2013 1.00 inquarter 4.58 SSE Ione 13:30 local · NCEI
Sep 5, 2013 1.75 ingolf ball 9.78 S Lena 14:10 local · NCEI
Sep 5, 2013 1.00 inquarter 10.41 S Lena 14:09 local · NCEI
Jul 17, 2012 2.00 inhen egg 0.48 W Lexington 16:30 local · NCEI
Jul 17, 2012 1.00 inquarter Heppner 15:46 local · NCEI
Jul 17, 2012 1.00 inquarter 6.04 SSW Lena 15:30 local · NCEI
Jul 17, 2012 1.75 ingolf ball 10.41 S Lena 15:15 local · NCEI
May 14, 2011 0.75 inpenny 10.38 S Lena 15:15 local · NCEI
Jun 4, 2009 0.88 innickel 0.5 E Hardman 13:40 local · NCEI
Aug 8, 2008 1.00 inquarter 2 NNE Ione 15:24 local · NCEI
Aug 31, 2007 0.75 inpenny 2 NNE Ione 14:15 local · NCEI

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Ione55Aug 8, 2008
Heppner22Jul 17, 2012
Boardman11Jul 7, 2002
Lexington11Jul 17, 2012

Questions about hail in Morrow County

How often does it hail in Morrow County, Oregon?

31 hail reports have been logged in Morrow County since 1957. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #10 of 26 Oregon counties by number of reports.

When is hail season in Morrow County?

Most reports come in July, August, June. July alone accounts for 32% of all reports.

What is the largest hail recorded in Morrow County?

2.50 in (tennis ball size) on June 1, 1957. 10% of reports here were 2 inches or larger.

When did it last hail in Morrow County?

The most recent report in this data is from May 31, 2015 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in Morrow County since November 3, 2021. The last one was on May 31, 2015.

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.