Active Weather Alerts
Severe Thunderstorm Warning
Issued: 10:20 PM Jul. 4, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR SOUTHEASTERN WASHINGTON AND CENTRAL FREDERICK COUNTIES IN NORTH CENTRAL MARYLAND...NORTHEASTERN FREDERICK COUNTY IN NORTHWESTERN VIRGINIA...NORTHERN JEFFERSON AND CENTRAL BERKELEY COUNTIES IN THE PANHANDLE OF WEST VIRGINIA... At 619 PM EDT, severe thunderstorms were located along a line extending from near Inwood to Ballenger Creek, moving east at 25 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... Frederick, Martinsburg, Shepherdstown, Harry Grove Stadium, Ballenger Creek, Walkersville, Ranson, Boonsboro, Inwood, Braddock Heights, Kearneysville, Clover Hill, Discovery-Spring Garden, Linganore-Bartonsville, Berkeley, Jefferson, Myersville, Keedysville, Libertytown, and Sharpsburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 10:15 PM Jul. 4, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northeastern Washington County in north central Maryland... Northwestern Carroll County in north central Maryland... Northwestern Frederick County in north central Maryland... * Until 645 PM EDT. * At 614 PM EDT, a severe thunderstorm was located near Clover Hill, or near Thurmont, moving northeast at 20 mph. THIS IS A DESTRUCTIVE STORM FOR EASTERN WASHINGTON COUNTY MARYLAND AND NORTHERN FREDERICK COUNTY MARYLAND. HAZARD...80 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Expect considerable damage to trees and power lines. Your life is at significant risk if outdoors. In addition to some trees falling into homes, wind damage is possible to roofs, sheds, open garages, and mobile homes. * Locations impacted include... Thurmont, Emmitsburg, Walkersville, Boonsboro, Smithsburg, Mount Aetna, Mount Lena, San Mar, Wolfsville, Myersville, Cavetown, Sabillasville, Fort Ritchie, Ringgold, Harney, Utica, Pleasant Walk, Rocky Ridge, Highfield, and Graceham. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. This storm has the potential to cause serious injury and significant property damage. This is an EXTREMELY DANGEROUS SITUATION. This storm is producing widespread wind damage across eastern Washington County Maryland and northern Frederick County Maryland. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.25 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...80 MPH
Extreme Heat Warning
Issued: 9:03 PM Jul. 4, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 105 to 109 expected. * WHERE...Portions of north central Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Prolonged excessive heat may impact power, water, and transportation systems. Heat index values of 95 to 100 are possible again Sunday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. &&
Severe Thunderstorm Watch
Issued: 6:16 PM Jul. 4, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 457 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK WASHINGTON IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN WESTERN MARYLAND ALLEGANY GARRETT IN VIRGINIA THIS WATCH INCLUDES 34 COUNTIES IN CENTRAL VIRGINIA ALBEMARLE CITY OF CHARLOTTESVILLE CITY OF FREDERICKSBURG GREENE KING GEORGE NELSON ORANGE SPOTSYLVANIA IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK CULPEPER FAIRFAX FAUQUIER LOUDOUN PRINCE WILLIAM STAFFORD IN NORTHWEST VIRGINIA CITY OF WINCHESTER CLARKE FREDERICK MADISON PAGE RAPPAHANNOCK SHENANDOAH WARREN IN WESTERN VIRGINIA AUGUSTA CITY OF HARRISONBURG CITY OF STAUNTON CITY OF WAYNESBORO HIGHLAND ROCKINGHAM IN WEST VIRGINIA THIS WATCH INCLUDES 8 COUNTIES IN EASTERN WEST VIRGINIA GRANT HAMPSHIRE HARDY MINERAL PENDLETON IN PANHANDLE WEST VIRGINIA BERKELEY JEFFERSON MORGAN THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, AIRLIE, ALBIN, ALEXANDRIA, ALONZAVILLE, ALSOP, ANDORA, ANNANDALE, ANNAPOLIS, ANTIOCH, APPLETON, ARCO, ARKENDALE, ARLINGTON, ARNOLD, BAKERTON, BALLENGER CREEK, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BEAN SETTLEMENT, BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE, BETHEL, BETHESDA, BLAKE, BLOOMERY, BOHEMIAS MILLS, BOWIE, BOYDS, BRADY, BRAKE, BRANDYWINE, BRANTWOOD, BROKENBURG, BROOKFIELD, BROOMES ISLAND, BUCKEYSTOWN, BUCKTON, BURKE, BURR HILL, BYNUM, CABINS, CALIFORNIA, CALLAWAY, CARDOVA, CATALPA, CATONSVILLE, CEDAR GROVE, CEDARVILLE, CHANTILLY, CHARLES TOWN, CHARLOTTESVILLE, CHERRYDALE, CHESAPEAKE BEACH, CHESTER GAP, CHRISTIAN, CHURCHVILLE, CLARKSVILLE, CLARY, CLINTON, CLOVER CREEK, COLLEGE PARK, COLUMBIA, COMPTON, COUNTRYSIDE, COVE POINT, CULPEPER, CUMBERLAND, DAHLGREN, DALE CITY, DAMERON, DRUM POINT, DULLES INTERNATIONAL AIRPORT, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ELLERSLIE, ESSEX, EVERONA, FAIRFAX, FAIRFAX STATION, FAIRVIEW, FALLS CHURCH, FALMOUTH, FELLS POINT, FISHER, FIVE FORKS, FORDSVILLE, FORT ASHBY, FOUR CORNERS, FRANKLIN, FREDERICK, FREDERICKSBURG, FRENCHBURG, FRONT ROYAL, FROSTBURG, GAINESBORO, GAITHERSBURG, GAMBER, GARRISONVILLE, GATEWOOD, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLEN ECHO, GLENDIE, GLENMONT, GRANTSVILLE, GREENBELT, GREENFIELD, HAGERSTOWN, HALFWAY, HAMBURG, HANCOCK, HARFORD FURNACE, HARRISONBURG, HAWKINSTOWN, HEADSVILLE, HICKORY, HIGHTOWN, HISTORIC ELLICOTT CITY, HOWELLSVILLE, INDEPENDENT HILL, KEYSER, KIMBALL, KLINE GAP, LAHORE, LAKE RIDGE, LANDES, LANGLEY, LEESBURG, LEXINGTON PARK, LIBERTY, LINVILLE, LONG BEACH, LUCKETTS, LURAY, MADISON MILLS, MADISON RUN, MAGNOLIA, MAGNOLIA, MANASSAS, MANASSAS PARK, MARTINSBURG, MASONVILLE, MASSAPONAX, MCCOOLE, MCDOWELL, MCLEAN, MCNEILL, MIDDLEWAY, MILL GAP, MILLVILLE, MONTCLAIR, MONTEBELLO, MONTEREY, MONTPELIER, MOOREFIELD, MOUNT CLIFTON, MOUNT HARMONY, MOUNT JACKSON, MOUNTAIN LAKE PARK, MUSTOE, NASONS, NEW CREEK, OAK FLAT, OAK GROVE, OAKLAND, ORANGE, OVERTON, PARK HEIGHTS, PARK MILLS, PARKVILLE, PARTLOW, PAW PAW, PETERSBURG, PINEY POINT, POINTS, POST OAK, PURGITSVILLE, RANDALLSTOWN, RANSON, RAPIDAN, RAWLINGS, REAGAN NATIONAL AIRPORT, RESTON, REVA, RIDGE, RIDGEVILLE, RIDGEWAY, RILEYVILLE, RIVERCREST, RIVERTON, ROLLINS FORK, ROMNEY, ROSSLYN, RUDDLE, RUSSELLDALE, SEVERN, SEVERNA PARK, SEYMOURVILLE, SHADY GROVE, SHADY GROVE, SHENANDOAH JUNCTION, SHILOH, SILVER SPRING, SIMPSONVILLE, SKYLAND, SMITH CROSSROADS, SOTTERLEY, SOUTH GATE, SPOTSYLVANIA COURT, SPOTTSWOOD, SPRINGFIELD, ST. CHARLES, STAUNTON, STERLING PARK, STEVENSBURG, STRASBURG, STRINGTOWN, STUARTS DRAFT, SUGAR GROVE, SUITLAND-SILVER HILL, TANTALLON, THREE CHURCHES, TOWSON, TURNBULL, TWYMANS MILL, UNIONVILLE, WALDORF, WAPOCOMO, WARRENTON, WASHINGTON, WAYNESBORO, WELTON, WESTMINSTER, WIDEWATER, WINCHESTER, WINSTON, WOODBRIDGE, WOODLAWN, WOODSTOCK, AND WOODSTOCK.
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