Active Weather Alerts
Severe Thunderstorm Watch
Issued: 9:36 PM Aug. 7, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX FAUQUIER LOUDOUN PRINCE WILLIAM THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BETHEL, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE, DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEESBURG, LUCKETTS, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER, OAK GROVE, PARK HEIGHTS, PARKVILLE, RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING, SIMPSONVILLE, SOUTH GATE, STERLING PARK, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL, WARRENTON, WASHINGTON, WOODBRIDGE, WOODLAWN, AND WOODSTOCK.
Severe Thunderstorm Watch
Issued: 9:36 PM Aug. 7, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY
Special Marine Warning
Issued: 9:02 PM Aug. 7, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Patapsco River including Baltimore Harbor... * Until 700 PM EDT. * At 502 PM EDT, strong thunderstorms were located along a line extending from near Havre De Grace to near Middle River to 12 nm northeast of Tidal Basin, moving southeast at 5 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include... Fort Smallwood State Park, Pinehurst, Turkey Point, North Point State Park, Hart Miller Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Spesutie Island, Love Point, Gunpowder River, Baltimore Light, Northeast River, Sevenfoot Knoll, Rock Hall, Aberdeen Proving Ground, Havre De Grace, and Middle River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && HAIL...0.00IN; WIND...>34KTS
Flash Flood Warning
Issued: 8:43 PM Aug. 7, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... East Central Baltimore County in northern Maryland... Southwestern Harford County in northern Maryland... * Until 745 PM EDT. * At 443 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen and an additional 1 to 2 inches are expected within the next hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Parkville... Carney... Perry Hall... Rosedale... Rossville... White Marsh... Kingsville... Edgewood... Joppatowne... Gunpowder... Upper Falls... Bradshaw... Nottingham... Joppa... Magnolia... Fullerton... PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
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