Hail History

Hail history for Jefferson County, Oregon

Every NOAA hail report filed in Jefferson County since 1958, with preliminary National Weather Service reports to November 3, 2026.

Readout · Jefferson County

Last hail
May 20, 2023
0.88 in, nickel size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · May 30, 2020

37 reports on 26 days since 1958 · #7 of 26 Oregon counties

Hail map · Jefferson County

10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
37 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 Jefferson County is from May 20, 2023. A local roofer can check and document it at no cost.

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What the record says about Jefferson County

The latest hail report in Jefferson County is from May 20, 2023, 0.88 in (nickel size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.88 in on May 20, 2023.

Over the 20 years 2006–2025, Jefferson County logged 22 reports on 13 hail days, about 1.1 reports a year. That is about twice the median Oregon county (0.6 a year) and ranks #7 of 26 Oregon counties for all-time reports. Jefferson County holds 4% of all 857 hail reports in Oregon.

0% 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 1.75 in (golf ball) on May 30, 2020 near 10 SSW Madras.

Reports were down 53% in 2016–2025 (7) compared with 2006–2015 (15). The busiest year was 2017, with 5 reports on 1 day. Hail here peaks in May (35% of reports); 43% fall between April and June.

Reports a year 2006–2025 average

  • Jefferson County 1.1
  • Median Oregon county 0.6

Hail days 2006–2025

  • Jefferson County 13
  • Median Oregon county 10.5

Share 2 in or larger of sized reports

  • Jefferson County 0%
  • Median Oregon county 0%

Hail over time

0246 1958: 1 reports, largest 0.75 in 1960 1970 1980 1982: 1 reports, largest 1.75 in 1990 1991: 1 reports, largest 1.75 in 1992: 1 reports, largest 1.75 in 1999: 1 reports, largest 0.75 in 2000 2001: 3 reports, largest 1.75 in 2002: 3 reports, largest 1.00 in 2003: 3 reports, largest 1.50 in 2005: 1 reports, largest 0.75 in 2007: 1 reports, largest 0.88 in 2008: 3 reports, largest 0.88 in 2009: 2 reports, largest 1.75 in 2010 2012: 5 reports, largest 1.50 in 2013: 3 reports, largest 1.75 in 2014: 1 reports, largest 1.75 in 2017: 5 reports, largest 1.75 in 2020: 1 reports, largest 1.75 in 2020 2023: 1 reports, largest 0.88 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.
051015 Jan Feb Mar April: 2 reports (5%) Apr May: 13 reports (35%) May June: 1 reports (3%) Jun July: 8 reports (22%) Jul August: 13 reports (35%) Aug Sep Oct Nov Dec
All 37 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 1 1
2019 0
2018 0
2017 5 5

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 20, 2023 1 0.88 in —

Largest hail on record

Largest hail reports in Jefferson County
Date Size Location Time · source
May 30, 2020 1.75 ingolf ball 10 SSW Madras 13:26 local · NCEI
May 4, 2017 1.75 ingolf ball Madras 22:05 local · NCEI
May 4, 2017 1.75 ingolf ball 5.61 S Culver Chinook Arpt 21:40 local · NCEI
Jul 22, 2014 1.75 ingolf ball 4.24 NW Culver Chinook Arpt 18:05 local · NCEI
Aug 25, 2013 1.75 ingolf ball Madras 12:38 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Jefferson County
Date Size Location Time · source
May 20, 2023 0.88 innickel 2.54 SW Madras Arpt 19:00 local · NCEI
May 30, 2020 1.75 ingolf ball 10 SSW Madras 13:26 local · NCEI
May 4, 2017 1.75 ingolf ball Madras 22:05 local · NCEI
May 4, 2017 1.00 inquarter 4.17 S Culver Chinook Arpt 22:05 local · NCEI
May 4, 2017 1.50 inping pong ball 2.95 W Madras 22:05 local · NCEI
May 4, 2017 1.75 ingolf ball 5.61 S Culver Chinook Arpt 21:40 local · NCEI
May 4, 2017 1.00 inquarter 5.06 SSE Culver Chinook Arpt 21:40 local · NCEI
Jul 22, 2014 1.75 ingolf ball 4.24 NW Culver Chinook Arpt 18:05 local · NCEI
Aug 25, 2013 1.00 inquarter 0.85 SE Madras 12:42 local · NCEI
Aug 25, 2013 1.75 ingolf ball Madras 12:38 local · NCEI
Aug 25, 2013 1.00 inquarter Madras 12:30 local · NCEI
Jul 14, 2012 0.88 innickel 2.07 N Cove Palisades St Pk 18:30 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
Crooked River Ranch96May 30, 2020
Madras85May 20, 2023
Culver55May 30, 2020
Warm Springs44Jun 26, 2017
Black Butte Ranch11Jul 8, 2012
Camp Sherman11Jul 23, 2002

Questions about hail in Jefferson County

How often does it hail in Jefferson County, Oregon?

37 hail reports have been logged in Jefferson County since 1958. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #7 of 26 Oregon counties by number of reports.

When is hail season in Jefferson County?

Most reports come in May, August, July. May alone accounts for 35% of all reports.

What is the largest hail recorded in Jefferson County?

1.75 in (golf ball size) on May 30, 2020 near 10 SSW Madras. 0% of reports here were 2 inches or larger.

When did it last hail in Jefferson County?

The most recent report in this data is from May 20, 2023 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 20, 2023.

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.