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Flood Watch

Status

Event Continued Active alert

Start Time

Tue 07/28/2026 06:27 PM EDT

End Time

Wed 07/29/2026 02:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Locations Affected

Baltimore, MD ∙ Emmorton, MD ∙ Cherry Hill, MD ∙ Odenton, MD ∙ Highland, MD ∙ Severn, MD ∙ Glen Arm, MD ∙ Hereford, MD ∙ Carrollton Manor, MD ∙ Columbia, MD

Full Alert Message

Flood Watch National Weather Service Baltimore MD/Washington DC 627 PM EDT Tue Jul 28 2026 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, northeast, and northern Maryland, including the following areas, in central Maryland, Anne Arundel and Central and Southeast Howard. In northeast Maryland, Cecil. In northern Maryland, Northern Baltimore, Northwest Harford, Southeast Harford and Southern Baltimore. * WHEN...Until 2 AM EDT Wednesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Strong to severe thunderstorms are likely to push across the area this afternoon and evening with a humid air mass in place. Very heavy rainfall rates are possible in these storms. These rates could approach 1 to 2 inches per hour, with higher instantaneous rates possible. The most vulnerable locations would be urbanized areas along I-95 as well as areas which have experienced heavy rainfall in recent days. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Technical Header

MDZ006-008-011-014-506>508-290600- /O.CON.KLWX.FA.A.0011.000000T0000Z-260729T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Baltimore-Cecil-Southern Baltimore-Anne Arundel-Central and Southeast Howard-Northwest Harford-Southeast Harford- 627 PM EDT Tue Jul 28 2026