Severe Thunderstorm Watch — St. Marys County, Maryland
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 10 at 5:35PM EDT until August 10 at 9:00PM EDT by NWS Baltimore MD/Washington DC
SEVERE THUNDERSTORM WATCH 555 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MARYLAND THIS WATCH INCLUDES 5 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL PRINCE GEORGES IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 4 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE SPOTSYLVANIA IN NORTHERN VIRGINIA STAFFORD THIS INCLUDES THE CITIES OF ALSOP, ANNAPOLIS, ARKENDALE, ARNOLD, BOWIE, BROKENBURG, BROOKFIELD, BROOMES ISLAND, CALIFORNIA, CALLAWAY, CHESAPEAKE BEACH, CLINTON, COLLEGE PARK, COVE POINT, DAHLGREN, DAMERON, DRUM POINT, DUNKIRK, FALMOUTH, FREDERICKSBURG, GARRISONVILLE, GATEWOOD, GLEN BURNIE, GLENDIE, GREENBELT, LEXINGTON PARK, LONG BEACH, MASSAPONAX, MONTPELIER, MOUNT HARMONY, PARTLOW, PINEY POINT, POST OAK, RIDGE, RIDGEWAY, ROLLINS FORK, SEVERN, SEVERNA PARK, SHILOH, SOTTERLEY, SOUTH GATE, SPOTSYLVANIA COURT, ST. CHARLES, SUITLAND-SILVER HILL, TANTALLON, WALDORF, AND WIDEWATER.
Effective August 10, 2026 at 5:35 PM ET · Expires August 10, 2026 at 9:00 PM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Baltimore MD/Washington DC
Expires
August 10, 2026 at 9:00 PM ET
Last Checked
1 minute ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Maryland
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Watch Alerts for St. Marys County
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Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for St. Marys County, Maryland?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 10, 2026 at 9:00 PM ET.
How do I get notified about Severe Thunderstorm 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 Severe Thunderstorm Watch is also in effect for Calvert County, Stafford County, King George County, Charles County, Anne Arundel County, Spotsylvania County, City of Fredericksburg County, Prince Georges County.