Severe Thunderstorm Warning — St. Marys County, Maryland
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 10 at 6:37PM EDT until August 10 at 7:00PM EDT by NWS Baltimore MD/Washington DC
At 637 PM EDT, severe thunderstorms with a history of producing wind gusts as high as 64 mph were located along a line extending from 10 miles southeast of Taylors Island to 7 miles east of Patuxent River Naval Air Station to Saint Marys City, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include... Lexington Park, Chesapeake Ranch Estates, Piney Point, Tall Timbers, Saint Inigoes Creek, Cuckold Creek, Town Creek, Saint Marys City, Saint Marys River, California, Lusby, Patuxent River Naval Air Station, Drum Point, Dameron, Dowell, Valley Lee, Scotland, Point Lookout, Great Mills, and Drayden.
Effective August 10, 2026 at 6:37 PM ET · Expires August 10, 2026 at 7:00 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Baltimore MD/Washington DC
Expires
August 10, 2026 at 7:00 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Maryland
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Test Message
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning Alerts for St. Marys County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for St. Marys County, Maryland?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire August 10, 2026 at 7:00 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for St. Marys County?
Download StormCast free on Google Play and set St. Marys County, Maryland as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Calvert County.