HailHistoryHail by countyOregon › Wallowa County

Oregon · county FIPS 41063

Hail history for Wallowa County, OR

Wallowa County has 39 recorded hail events in the NOAA Storm Events Database — 19 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on August 11, 2022.

Records 1950–present Data through April 2026 Peak month June
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 2.5″ tennis ball August 11, 2022

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 39 since 1956
1″ or larger 19 NWS severe threshold
2″ or larger 1 hen egg class and up
Largest recorded 2.5 tennis ball · August 11, 2022
Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Wallowa County

Jan Feb Mar 1 Apr 8 May 11 Jun 8 Jul 9 Aug 2 Sep Oct Nov Dec

Recorded events by month, 1950–present. The amber bar marks Wallowa County's peak: June.

Most recent recorded events

Latest 8 of 39 recorded events · data through April 2026
DateSizeComparable to
1.25″ Half dollar
0.75″ Penny
2.5″ Tennis ball
1.0″ Quarter
1.0″ Quarter
0.75″ Penny
1.0″ Quarter
1.0″ Quarter

Looking for a specific storm? Use the did-it-hail date lookup for Wallowa County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

· 1.25″ (half dollar)

A social media report from Lostine, Oregon indicated that hail stones up to 1.25 inches in size fell around 1627 PDT. A trained spotter 1 mile west northwest of Lostine reported hail stones to the size of 1 inch around 1628 PDT.

· 2.5″ (tennis ball)

A trained spotter in Wallowa, OR reported a severe thunderstorm that was producing hailstones the size of tennis balls. Reports and pictures received from the public also indicated that hail had damaged the sidings of windows of homes, as well as damaging the panels and windows of uncovered vehicles. 4 injuries from the large hailstones were also relayed by the trained spotter.

· 1.75″ (golf ball)

Hail of ping pong and golf ball size reported by the public and a spotter.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
1201213164

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Wallowa County

Has it ever hailed in Wallowa County?

Yes — 39 hail events have been recorded for Wallowa County, OR in the NOAA Storm Events Database since 1956, including 19 of 1″ (quarter size) or larger.

When did it last hail in Wallowa County?

The most recent recorded hail event for Wallowa County, OR is August 5, 2024, with 1.25″ (half dollar) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Wallowa County?

2.5″ (tennis ball), recorded on August 11, 2022. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Oregon hail history

All 36 Oregon counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.