Howard County Government and Police have announced the closure of Main Street in Historic Ellicott City as a result of significant rainfall and reports of water beginning to flood the roadway.
MoCoSnow
Governor Wes Moore is urging Marylanders to stay alert and prepared for possible flash flooding, heavy rain, and damaging winds expected across the state, especially in central and low-lying areas, as storms move through today. (more…)
Go to Governor Wes Moore Urges Marylanders to Prepare for Flash Flooding and Severe Storms
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Montgomery County has activated an Extreme Heat Alert for Monday, 7/7 from 12 pm to 6 pm. Expect the heat index to be above 95ºF. Stay hydrated and take precautions to protect yourself & pets from heat-related illness. (more…)
The Montgomery County Office of Emergency Management and Homeland Security has issued a Heat Emergency Alert from noon Monday, June 23, through 8 a.m. Thursday, June 26, due to dangerously high temperatures and heat index values expected to reach 105 degrees, prompting the County to open cooling centers, provide free water on buses, and urge residents to take precautions to avoid heat-related illnesses.
An Extreme Heat Warning will be in effect for parts of central and northern Maryland, DC, and northern Virginia from 11 a.m. to 9 p.m. EDT on Monday. The National Weather Service has also issued an Extreme Heat Watch for the same areas from Tuesday morning through Tuesday evening. During these periods, dangerously hot conditions are expected, with heat index values soaring up to 110 degrees Fahrenheit.
The National Weather Service (NWS) has issued an Extreme Heat Watch for Montgomery County and surrounding areas, effective from 11am to 9pm on Monday, June 23.
The National Weather Service (NWS) has issued a “Level 3” Enhanced Risk for Severe Weather today for Washington, DC; most of Maryland; and parts of Northern Virginia between 2:00pm and 7:00pm.
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The National Weather Service (NWS) has issued a Flood Watch for Montgomery County and the surrounding area from Friday evening through late tonight. 1 to 5 inches of rain are possible, with flash flooding likely in low-lying and urban areas. (more…)
The National Weather Service (NWS) has issued a Tornado Watch for several Maryland counties, including Anne Arundel, Calvert, Charles, Frederick, Howard, Montgomery, Prince George’s and Washington counties. The watch remains in effect until 10pm Sunday night and extends into Virginia.
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Alert Montgomery issued the following alert on Friday, May 30: “A Tornado Watch has been issued for Montgomery County until 12:00 am Saturday, 5/31. Be alert for rapidly changing weather […]
The following are unofficial observations taken during the past 18 hours for the flooding rainfall event that occurred across the DMV on Tuesday May 13, 2025 into Wednesday May 14th, per the National Weather Service: