Hail History

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Hail history for Oregon County, MO

Last hail in the countyApr 16, 20261 in (quarter)
Hail days, last 12 months1
Largest hail since 20064.25 inApr 2, 2006
Hail days since 200640
Days with hail 1 inch or larger30
Tornadoes in the county9
Damaging wind reports in the county62

60 hail reports in Oregon County since 2006 on 40 days. The largest stones measured 4.25 in on Apr 2, 2006.

Recent hail in Oregon County

DateHail sizeWhereSource
Apr 16, 20261 in
quarter
Myrtle
1 hail report
NOAA Storm Events
Apr 20, 20252 in
hen egg
Alton
1 hail report
NOAA Storm Events
Mar 30, 20251.75 in
golf ball
Myrtle, Thayer, Thomasville
3 hail reports
NOAA Storm Events

One row per day: the largest hail reported in the county that day, the places and the number of reports.

Hail days in Oregon County by year

70640710820910511121321421511621741819220121122223124225126

When hail season peaks in Oregon County

Jan1Feb5Mar12Apr6May6Jun3Jul1Aug2Sep2Oct2NovDec

Damaging thunderstorm winds in Oregon County

62 reports of damaging thunderstorm wind in Oregon County since 2006, on 48 days.

DateStrongest gustWhereSource
Aug 26, 2026damage reportedRover
1 wind report
NWS storm report (preliminary)
Mar 15, 202660 mph, estimatedAlton
1 wind report
NOAA Storm Events
May 26, 202460 mph, estimatedRover
1 wind report
NOAA Storm Events
Aug 25, 202358 mph, estimatedRover
2 wind reports
NOAA Storm Events
Jul 29, 202360 mph, estimatedThayer
1 wind report
NOAA Storm Events
Jun 18, 202360 mph, estimatedKoshkonong
1 wind report
NOAA Storm Events
Nov 4, 202260 mph, estimatedAlton
1 wind report
NOAA Storm Events
Aug 8, 202260 mph, estimatedWoodside, Alton
2 wind reports
NOAA Storm Events
Oct 14, 202160 mph, estimatedThayer
1 wind report
NOAA Storm Events
May 29, 201960 mph, estimatedThayer Mem Airport, Thayer, Lulu
3 wind reports
NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Oregon County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).