Maryland Severe Severe Thunderstorm Warning | Effective 07/04/2026 16:25

Headline: 
Severe Thunderstorm Warning issued July 4 at 7:25PM EDT until July 4 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 4:25pm
Expires: 
July 4, 2026 - 5:00pm
Description: 
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northwestern Harford County in northern Maryland... Northwestern Baltimore County in northern Maryland... * Until 800 PM EDT. * At 725 PM EDT, a severe thunderstorm was located near Reisterstown, or near Cockeysville, 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... Cockeysville, Owings Mills, Mays Chapel, Timonium, Lutherville-Timonium, Garrison, Glencoe, Freeland, Norrisville, Hunt Valley, Sparks, Boring, Bentley Springs, Parkton, Phoenix, Hereford, Jacksonville, Butler, Monkton, and Maryland Line.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. 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.
Area Description: 
Baltimore, MD; Harford, MD
Forcast Office: 
NWS Baltimore MD/Washington DC