Alert archive / Maryland / Flash Flood Warnings / 2025

Flash Flood Warnings in Maryland, June 2025

9 flash flood warnings in June 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in June 2025. Tap one for its archive.

Flash Flood Warnings
9
Busiest day
June 14, 20252 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jun 6, 4:47 PM EDTFlash Flood WarningLWXAllegany2 hr
Jun 13, 8:11 PM EDTFlash Flood Warning Considerable damage threatLWXMontgomery, Prince George's3 hr
Jun 13, 9:47 PM EDTFlash Flood WarningLWXAnne Arundel3 hr
Jun 15, 7:01 PM EDTFlash Flood Warning Considerable damage threatLWXCharles3 hr
Jun 15, 7:05 PM EDTFlash Flood WarningLWXCharles, Prince George's3 hr
Jun 18, 1:25 PM EDTFlash Flood WarningLWXMontgomery63 min
Jun 18, 6:30 PM EDTFlash Flood WarningLWXMontgomery108 min
Jun 30, 5:07 PM EDTFlash Flood WarningLWXBaltimore, Harford2 hr
Jun 30, 7:37 PM EDTFlash Flood WarningLWXBaltimore, Harford113 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.