UPDATE @ 3:00PM – Tornado watch 686 is in effect until 1200 AM EDT for the following locations MD . Maryland counties included:

  • Allegany
  • Anne Arundel
  • Baltimore
  • Baltimore City
  • Calvert
  • Carroll
  • Charles
  • Frederick
  • Garrett
  • Harford
  • Howard
  • Montgomery
  • Prince Georges
  • St. Marys
  • Washington

UPDATE @12:10 PM – A line of thunderstorms is expected later this afternoon and evening. These thunderstorms may contain heavy rain, locally damaging wind gusts, & possibly a few tornadoes. See the second image for more detailed timing information. Stay weather aware & heed any warnings.


Leonardtown, MD – The Department of Emergency Services wants citizens to be prepared for potentially hazardous weather conditions, Thursday, Oct. 31, 2019, throughout the day and into the evening. Potentially strong winds and heavy rains may cause significant inclement weather conditions.

As a strong cold front moves through the area this evening, scattered severe thunderstorms with damaging wind gusts are possible. An isolated tornado is also possible.

Heavy rainfall may lead to scattered instances of flooding this evening.
Moderate tidal flooding will be possible during tonight`s high tide cycle along the Anne Arundel and Baltimore County coastline.

A Gale Warning is in effect for the Maryland portion of the Chesapeake Bay and Tidal Potomac River. In addition, numerous thunderstorms capable of producing strong winds are possible over the waters tonight.

A Coastal Flood Watch is in effect.

To stay aware of weather conditions, sign up to receive Weather Notices delivered directly to your email: https://www.stmarysmd.com/it/citizen/signup.asp.

For more information on Emergency Preparedness visit prepare.stmarysmd.com.

October 31, 2019 – latest severe weather updates from the U.S. National Weather Service (NWS)

Showers exiting the area this AM, but roads will remain wet. Showers and scattered thunderstorms returning this afternoon and evening, containing heavy rain, locally damaging wind gusts, and possibly a few tornadoes. Stay weather aware today and heed any warnings issued.

‪The majority of western/central Maryland, & parts of the eastern shore, are in the enhanced severe weather outlook zone. Primary threats: damaging winds, isolated tornadoes, & heavy rainfall. 

Remain vigilant, heed all warnings, & be sure to have a way to access local forecasts. MEMA will provide updates as they become available. Follow your regional NWS social media accounts for localized forecasts & keep your eyes to the sky.

Image shows all of western and central Maryland, as well as parts of the eastern shore, in the enhanced severe weather outlook zone. The second image shows the expected approximate time stamps of potential storms across the state.