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Severe WeatherHistory

Great Mills, MD severe weather history

NOAA has logged 147 severe weather events at Great Mills in St. Mary's County, Maryland since 2004 — most often flood.

That is 22.7% of the 649 events recorded across St. Mary's County as a whole.

Events on record
147
Direct deaths
00 injured
Property damage
$23K
Record span
2004–Jul 1, 2025

What hits Great Mills

Recent events logged at Great Mills

Most recent severe weather events recorded at Great Mills, newest first
DateEventDeathsInjuriesDamage
Jul 1, 2025Thunderstorm Wind00$10K
Dec 18, 2023Flood00$0
Dec 18, 2023Flood00$0
Dec 11, 2023Flood00$0
Dec 11, 2023Flood00$0
Dec 11, 2023Flood00$0
Dec 16, 2022Flood00$0
Dec 16, 2022Flood00$0
Dec 16, 2022Flood00$0
Dec 16, 2022Flood00$0
Dec 16, 2022Flood00$0
Dec 16, 2022Flood00$0
Jul 26, 2022Flash Flood00$0
Jul 26, 2022Flash Flood00$0
Jul 26, 2022Flash Flood00$0
Jul 26, 2022Flash Flood00$0
Jul 25, 2022Flash Flood00$0
Jul 25, 2022Flash Flood00$0
Jul 25, 2022Flash Flood00$0
Jul 25, 2022Flash Flood00$0
Jul 25, 2022Thunderstorm Wind00$10K
May 24, 2022Flood00$0
May 24, 2022Flood00$0
May 24, 2022Flood00$0
May 24, 2022Flood00$0
Jul 28, 2021Hail00$0
Jul 21, 2021Thunderstorm Wind00$1K
Jun 10, 2021Flood00$0
Jun 10, 2021Flood00$0
Jun 10, 2021Flood00$0
Jun 10, 2021Flood00$0
Mar 24, 2021Flood00$0
Mar 24, 2021Flood00$0
Mar 24, 2021Flood00$0
Mar 24, 2021Flood00$0
Mar 24, 2021Flood00$0
Mar 24, 2021Flood00$0
Dec 17, 2020Flood00$0
Dec 17, 2020Flood00$0
Dec 17, 2020Flood00$0

Source: NOAA/NCEI Storm Events · dates in UTC · newest 40 records

Great Mills severe weather — your questions

When was the last severe weather event at Great Mills?

The most recent event on record for Great Mills is dated Jul 1, 2025 (UTC). NOAA publishes confirmed records on a delay of one to three months.

How many severe weather events has Great Mills recorded?

Great Mills appears in 147 NOAA storm reports since 2004 — 22.7% of everything logged across St. Mary's County.

What is the most common severe weather at Great Mills?

Flood leads the record at Great Mills, out of 4 hazard types logged there.

Have there been weather deaths at Great Mills?

No direct weather deaths are recorded at Great Mills since 2004.

Which decade was busiest at Great Mills?

The 2020s carry the most reports for Great Mills, with 83 events logged.

More of the St. Mary's County record

Great Mills, MD Severe Weather History — Severe Weather History