Baltimore, MD Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Baltimore.

Use the Radar Maps link provided to understand the trajectory of a storm.

Monitoring message only. Please disregard.

Flash Flood Warning issued July 12 at 6:18PM EDT until July 12 at 9:30PM EDT by NWS Baltimore MD/Washington DC

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... Central Frederick County in north central Maryland... * Until 930 PM EDT. * At 618 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. 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... Frederick... Walkersville... Utica... Lewistown... Bloomfield...

Flash Flood Warning issued July 12 at 4:49PM EDT until July 12 at 8:00PM EDT by NWS Baltimore MD/Washington DC

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... South Central Montgomery County in central Maryland... West Central Arlington County in northern Virginia... Fairfax County in northern Virginia... The Northwestern City of Falls Church in northern Virginia... * Until 800 PM EDT. * At 449 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. 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... Arlington... Rockville... Bethesda... Reston... Herndon... Fairfax... Vienna... Falls Church... Pimmit Hills... American Legion Bridge... Mclean... Potomac... North Bethesda... Oakton... North Potomac... Tysons Corner... Wolf Trap... Great Falls... Merrifield... I66 and I495 Interchange...