Active Weather Alerts
Severe Thunderstorm Warning
Issued: 8:50 PM Jul. 28, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northeastern Carroll County in north central Maryland... Northwestern Harford County in northern Maryland... Northwestern Baltimore County in northern Maryland... * Until 530 PM EDT. * At 450 PM EDT, severe thunderstorms were located along a line extending from near Jacobus to near Railroad to near Westminster, moving east at 40 mph. HAZARD...70 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... Hampstead, Manchester, Jarrettsville, Pylesville, Darlington, Freeland, Lineboro, Cardiff, Norrisville, Scarboro, Bentley Springs, Chrome Hill, Parkton, Street, Rocks, Hereford, Millers, Greenmount, Monkton, and Maryland Line. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1000 PM EDT for northern, north central and northeastern Maryland. && THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Severe Thunderstorm Warning
Issued: 8:36 PM Jul. 28, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Carroll County in north central Maryland... Howard County in central Maryland... Montgomery County in central Maryland... Frederick County in north central Maryland... Western Baltimore County in northern Maryland... Northern Loudoun County in northern Virginia... * Until 530 PM EDT. * At 436 PM EDT, severe thunderstorms were located along a line extending from near Littlestown to Harry Grove Stadium to near Purcellville, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. 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... Columbia, Germantown, Frederick, Rockville, Gaithersburg, Leesburg, Olney, Pikesville, Cockeysville, Westminster, Damascus, Lansdowne, Thurmont, Poolesville, Emmitsburg, Harry Grove Stadium, Historic Ellicott City, Ellicott City, Aspen Hill, and Potomac. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1000 PM EDT for northern, central and north central Maryland. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Tornado Watch
Issued: 8:21 PM Jul. 28, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 529 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 527. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THE NEW WATCH INCLUDES 12 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THE NEW WATCH INCLUDES 12 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE SPOTSYLVANIA IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, ALEXANDRIA, ALSOP, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARKENDALE, ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BROKENBURG, BROOKFIELD, BROOMES ISLAND, BURKE, BYNUM, CALIFORNIA, CALLAWAY, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESAPEAKE BEACH, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COVE POINT, DAHLGREN, DALE CITY, DAMERON, DRUM POINT, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FALMOUTH, FELLS POINT, FOUR CORNERS, FREDERICKSBURG, GAITHERSBURG, GAMBER, GARRISONVILLE, GATEWOOD, GERMANTOWN, GLEN BURNIE, GLENDIE, GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEXINGTON PARK, LONG BEACH, MAGNOLIA, MANASSAS, MANASSAS PARK, MASSAPONAX, MCLEAN, MONTCLAIR, MONTPELIER, MOUNT HARMONY, PARK HEIGHTS, PARKVILLE, PARTLOW, PINEY POINT, POST OAK, RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGE, RIDGEWAY, RIVERCREST, ROLLINS FORK, ROSSLYN, SEVERN, SEVERNA PARK, SHILOH, SILVER SPRING, SIMPSONVILLE, SOTTERLEY, SOUTH GATE, SPOTSYLVANIA COURT, ST. CHARLES, SUITLAND-SILVER HILL, TANTALLON, TOWSON, WALDORF, WASHINGTON, WESTMINSTER, WIDEWATER, WOODBRIDGE, WOODLAWN, AND WOODSTOCK.
Flood Watch
Issued: 2:25 PM Jul. 28, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, northeast, and northern Maryland, including the following areas, in central Maryland, Anne Arundel and Central and Southeast Howard. In northeast Maryland, Cecil. In northern Maryland, Northern Baltimore, Northwest Harford, Southeast Harford and Southern Baltimore. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Strong to severe thunderstorms are likely to push across the area this afternoon and evening with a humid air mass in place. Very heavy rainfall rates are possible in these storms. These rates could approach 1 to 2 inches per hour, with higher instantaneous rates possible. The most vulnerable locations would be urbanized areas along I-95 as well as areas which have experienced heavy rainfall in recent days. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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