Tornado Watch — St. Marys County, Maryland
Conditions are favorable for tornadoes to develop in and near the watch area. Stay alert and be ready to take shelter.
Current Status
🌪️ Active: Tornado Watch
Tornado Watch issued August 20 at 6:29PM EDT until August 20 at 10:00PM EDT by NWS Baltimore MD/Washington DC
TORNADO WATCH 605 REMAINS VALID UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MARYLAND THIS WATCH INCLUDES 3 COUNTIES IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE IN NORTHERN VIRGINIA STAFFORD THIS INCLUDES THE CITIES OF ARKENDALE, BROOKFIELD, BROOMES ISLAND, CALIFORNIA, CALLAWAY, CHESAPEAKE BEACH, COVE POINT, DAHLGREN, DAMERON, DRUM POINT, DUNKIRK, FALMOUTH, FREDERICKSBURG, GARRISONVILLE, GLENDIE, LEXINGTON PARK, LONG BEACH, MOUNT HARMONY, PINEY POINT, RIDGE, ROLLINS FORK, SHILOH, SOTTERLEY, ST. CHARLES, WALDORF, AND WIDEWATER.
Effective August 20, 2026 at 6:29 PM ET · Expires August 20, 2026 at 10:00 PM ET
Event Details
Event Type
Tornado Watch
Severity
extreme
Issued By
NWS Baltimore MD/Washington DC
Expires
August 20, 2026 at 10:00 PM ET
Last Checked
1 minute ago
Also In Effect For
This same Tornado Watch also covers:
Other Active Alerts in Maryland
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Tornado Watch
Test Message
Tornado Watch
Tornado Watch
Get Tornado Watch 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 Tornado Watch mean for St. Marys County, Maryland?
Conditions are favorable for tornadoes to develop in and near the watch area. Stay alert and be ready to take shelter.
Is this Tornado Watch currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 20, 2026 at 10:00 PM ET.
How do I get notified about Tornado Watch 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 Tornado Watch is also in effect for Calvert County, Charles County, King George County, City of Fredericksburg County, Stafford County.