Hail History

Hail history for Sisters, Oregon

NOAA hail reports in and within about 5 km (3 miles) of Sisters since 1991, with preliminary reports to November 3, 2026.

Readout · Sisters

Last hail
May 4, 2017
2.00 in, hen egg size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · May 4, 2017

13 reports on 10 days since 1991 · #6 of 7 Oregon places

Hail map · Sisters

Sisters Bend Prineville 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
13 most recent reports with a location; Deschutes County is shaded. Open street map

For homeowners

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What the record says about Sisters

The latest hail report in and around Sisters is from May 4, 2017, 2.00 in (hen egg size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Sisters logged 6 reports on 5 hail days, about 0.3 reports a year. That is about half the median Oregon town on this site (0.6 a year) and ranks #6 of 7 Oregon cities and towns on this site for all-time reports. Sisters accounts for 8% of the 161 reports filed in Deschutes County.

8% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Oregon town on this site. The largest hail on record here is 2.00 in (hen egg) on May 4, 2017 near 1.7 NW Cloverdale.

The busiest year was 1999, with 5 reports on 3 days. Hail here peaks in August (46% of reports); 15% fall between April and June.

Reports a year 2006–2025 average

  • Sisters 0.3
  • Deschutes County 5.3
  • Median Oregon town on this site 0.6

Hail days 2006–2025

  • Sisters 5
  • Deschutes County 43
  • Median Oregon town on this site 8

Share 2 in or larger of sized reports

  • Sisters 8%
  • Deschutes County 4%
  • Median Oregon town on this site 0%

Hail over time

0246 1991: 1 reports, largest 1.75 in 1995 1999: 5 reports, largest 1.00 in 2000 2001: 1 reports, largest 1.00 in 2005 2006: 1 reports, largest 1.00 in 2010 2013: 1 reports, largest 1.00 in 2014: 3 reports, largest 1.00 in 2015 2017: 1 reports, largest 2.00 in 2020 2025
Reports per year, 1991–2026. 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: 1 reports (8%) May June: 1 reports (8%) Jun July: 4 reports (31%) Jul August: 6 reports (46%) Aug September: 1 reports (8%) Sep Oct Nov Dec
All 13 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 1 1

Largest hail on record

Largest hail reports in Sisters
Date Size Location County Time · source
May 4, 2017 2.00 inhen egg 1.7 NW Cloverdale Deschutes 21:55 local · NCEI
Aug 18, 1991 1.75 ingolf ball — Deschutes 22:00 local · NCEI
Jul 30, 2014 1.00 inquarter 1.64 ESE Sisters State Arpt Deschutes 17:45 local · NCEI
Jul 22, 2014 1.00 inquarter 0.69 S Sisters Deschutes 18:38 local · NCEI
Jul 22, 2014 1.00 inquarter 1.21 SW Sisters Deschutes 18:24 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 Sisters
Date Size Location County Damage Time · source
May 4, 2017 2.00 inhen egg 1.7 NW Cloverdale Deschutes — 21:55 local · NCEI
Jul 30, 2014 1.00 inquarter 1.64 ESE Sisters State Arpt Deschutes — 17:45 local · NCEI
Jul 22, 2014 1.00 inquarter 0.69 S Sisters Deschutes — 18:38 local · NCEI
Jul 22, 2014 1.00 inquarter 1.21 SW Sisters Deschutes — 18:24 local · NCEI
Sep 5, 2013 1.00 inquarter 0.69 S Sisters Deschutes — 14:11 local · NCEI
Jun 12, 2006 1.00 inquarter 2 SW Sisters Deschutes — 13:40 local · NCEI
Jul 12, 2001 1.00 inquarter 3 NE Sisters Deschutes — 13:55 local · NCEI
Aug 10, 1999 1.00 inquarter 3 W Sisters Deschutes —1 injured 19:20 local · NCEI
Aug 10, 1999 0.75 inpenny 2 NE Sisters Deschutes — 18:30 local · NCEI
Aug 3, 1999 1.00 inquarter 3 W Sisters Deschutes — 17:08 local · NCEI
Aug 3, 1999 0.75 inpenny 4 S Sisters Deschutes — 16:48 local · NCEI
Aug 2, 1999 0.75 inpenny 3 W Sisters Deschutes — 17:53 local · NCEI

Hail history near Sisters

Questions about hail in Sisters

How often does it hail in Sisters, Oregon?

13 hail reports have been logged in and within about 5 km (3 miles) of Sisters since 1991. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #6 of 7 Oregon places by number of reports.

When is hail season in Sisters?

Most reports come in August, July, May. August alone accounts for 46% of all reports.

What is the largest hail recorded in Sisters?

2.00 in (hen egg size) on May 4, 2017 near 1.7 NW Cloverdale. 8% of reports here were 2 inches or larger.

When did it last hail in Sisters?

The most recent report in this data is from May 4, 2017 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Sisters since November 3, 2021. The last one was on May 4, 2017.

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.