St. Mary's County, MD — Severe Weather & Radar
No active severe-weather warnings for St. Mary's County, MD right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
No severe-weather risk is outlooked for St. Mary's County, MD today.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near St. Mary's?
In St. Mary's County, severe thunderstorms are most common from June through August.
Damaging winds, hail, and localized flooding are the usual threats; tornadoes are less frequent than in the Plains or Southeast but do occur, often along summer cold fronts.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In St. Mary's County, MD
St. Mary's County, MD has an estimated 110,000 residents, plus 1 hospitals, 3 nursing homes, 28 schools, 2 dialysis centers that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Rivers near St. Mary's
The level, flood stage and National Weather Service forecast at the nearest river gauges:
Nearby areas
Live radar and active alerts for places near St. Mary's:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.