Residents urged to prepare for another round of heavy rains throughout the weekend

Leonardtown, MD – Weather forecasts for St. Mary’s County call for heavy precipitation today through next Wednesday.

Today and Tonight

Numerous showers and thunderstorms capable of producing heavy rain will develop during the afternoon and evening hours, and may continue overnight. These showers and thunderstorms will be slow-moving across wet ground, and capable of producing localized flooding. A Flash Flood Watch has been issued for the Baltimore-Washington metropolitan area.

Friday through Wednesday

Numerous rounds of showers and thunderstorms capable of heavy rain will continue through at least Saturday. These showers and thunderstorms will be slow-moving across wet ground and capable of producing additional localized flooding…or exacerbate any potential ongoing flooding.

The Department of Emergency Services advises residents to be informed and know the difference between the various advisories and warnings:

  • Flash Flood Warning: Take Action! A Flash Flood Warning is issued when a flash flood is imminent or occurring. If you are in a flood prone area move immediately to high ground. A flash flood is a sudden violent flood that can take from minutes to hours to develop. It is even possible to experience a flash flood in areas not immediately receiving rain.
  • Flood Warning: Take Action! A Flood Warning is issued when the hazardous weather event is imminent or already happening.
  • Flood Watch: Be Prepared: A Flood Watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.
  • Flood Advisory: Be Aware:  A Flood Advisory is issued when flooding is not expected to be bad enough to issue a warning. However, it may cause significant inconvenience, and if caution is not exercised, it could lead to situations that may threaten life and/or property.


To learn about Disasters & Hazards, Being Prepared and Being Informed visit:

Turn Around Don’t Drown®

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