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Hail history for Oliver County, ND

Last hail in the countyJun 27, 20253.5 in

Hail days, last 12 monthsNone

Largest hail since 20063.5 inJun 27, 2025

Hail days since 200634

Days with hail 1 inch or larger28

Tornadoes in the county3

Damaging wind reports in the county36

59 hail reports in Oliver County since 2006 on 34 days. The largest stones measured 3.5 in on Jun 27, 2025.

Recent hail in Oliver County

Date	Hail size	Where	Source
Jun 27, 2025	3.5 in	Hannover 7 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 Oliver County by year

When hail season peaks in Oliver County

Damaging thunderstorm winds in Oliver County

36 reports of damaging thunderstorm wind in Oliver County since 2006, on 24 days. The strongest measured gust was 85 mph on Jul 6, 2014.

Date	Strongest gust	Where	Source
Jun 7, 2026	60 mph, measured	Center 1 wind report	NOAA Storm Events
Jun 20, 2025	90 mph, estimated	Hannover, Center, Sanger 3 wind reports	NOAA Storm Events
Sep 4, 2023	81 mph, estimated	Sanger 1 wind report	NOAA Storm Events
Aug 24, 2023	72 mph, measured	Hannover, Center 3 wind reports	NOAA Storm Events
Jul 10, 2022	81 mph, estimated	Sanger, Center 2 wind reports	NOAA Storm Events
Jul 2, 2022	64 mph, measured	Center 1 wind report	NOAA Storm Events
Aug 30, 2021	60 mph, estimated	Hannover 1 wind report	NOAA Storm Events
Jul 22, 2021	70 mph, estimated	Center 1 wind report	NOAA Storm Events
Jun 16, 2020	60 mph, estimated	Hannover 1 wind report	NOAA Storm Events
Aug 6, 2019	70 mph, estimated	Hannover 1 wind report	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 Oliver 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).