HailEvidence NWS storm records · per-address verification

HailEvidencehail history → Ollie, IA

Ollie, IA hail history

Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Ollie city centroid, 1950 to present.

31hail events since 1950
23≥ 1.00" (quarter) or larger
1.75"largest on record · 2023-05-07
2024-10-04most recent hail event

Hail by year — last 15 years

YearHail events ≤ 10 miLargest hail
2026 0
2025 0
2024 1 1.00" (quarter)
2023 2 1.75" (golf ball)
2022 1 1.00" (quarter)
2021 1 0.88" (nickel)
2020 2 1.00" (quarter)
2019 0
2018 0
2017 0
2016 0
2015 4 1.00" (quarter)
2014 0
2013 2 0.75" (penny)
2012 2 1.25" (half dollar)

Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.

Wind and tornado record

Most recent recorded events

DateTypeMagnitudeDistance
2024-10-04 Hail 1.00" 2 mi
2024-07-30 Thunderstorm Wind 70 mph 8.3 mi
2024-05-24 Thunderstorm Wind 60 mph 5.4 mi
2023-05-07 Hail 1.75" 9.9 mi
2023-05-07 Hail 1.00" 0.4 mi
2023-03-31 Tornado EF3 7.7 mi
2023-03-31 Tornado EF4 8.3 mi
2022-08-19 Hail 1.00" 4.1 mi
2021-08-26 Thunderstorm Wind 60 mph 10 mi
2021-08-26 Thunderstorm Wind 75 mph 8.4 mi

2024-10-04: “A trained spotter reported damage to cars from hail.”

2024-07-30: “A Law Enforcement Officer reported down tree limbs.”

2024-05-24: “A large tree branch blown down. The time was estimated by radar data.”

Disputing a claim at a Ollie address?

This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.

Verify an address — $29
NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure.

source: NOAA NCEI Storm Events computed 2026-06-12