Hazardous Weather Outlook
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
119 FLUS41 KLWX 172007 HWOLWX Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 407 PM EDT Tue Jun 17 2025 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ053>057-527-181000- Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria- Stafford-Spotsylvania-King George- Central and Southeast Prince William/Manassas/Manassas Park- 407 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia. .DAY ONE...Tonight A Flood Watch is in effect for the Washington Metropolitan area through this evening. Scattered instances of flooding are possible, especially late this afternoon and evening. A Severe storm with damaging winds and perhaps a tornado is possible late this afternoon through this evening, especially across the southern suburbs of Washington into the Virginia Piedmont. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Isolated to scattered severe thunderstorms capable of producing damaging wind gusts are possible Thursday afternoon. There is the potential for considerable storm damage from 70 mph gusts. An extended period of excessively hot and humid conditions is expected Sunday through at least the middle of next week. Daily heat indices in the afternoon and evening of 100 to 110 are expected, and up to 115 degrees is possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508- 526-WVZ050>053-055-181000- Washington-Frederick MD-Carroll-Northern Baltimore- Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson- Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Northwest Prince William-Hampshire- Morgan-Berkeley-Jefferson-Hardy- 407 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for portions of eastern West Virginia, northern and central Virginia, and central and western Maryland. .DAY ONE...Tonight A Flood Watch is in effect from through 10pm tonight for portions of western central Maryland, the eastern WV Panhandle, northern Virginia, the Shenandoah Valley, and portions of the central Virginia Piedmont, and through midnight for portions of north- central Maryland. Scattered instances of flooding are possible late this afternoon and evening. A few severe storms with damaging wind gusts are possible late this afternoon through this evening. A tornado is also possible during this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Isolated to scattered severe thunderstorms capable of producing damaging wind gusts are possible Thursday afternoon. There is the potential for considerable storm damage from 70 mph gusts. An extended period of excessively hot and humid conditions is expected Sunday through at least the middle of next week. Daily heat indices in the afternoon and evening of 100 to 110 are expected, and up to 115 degrees is possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ MDZ501-502-509-510-VAZ503-504-WVZ501>506-181000- Extreme Western Allegany-Central and Eastern Allegany- Western Garrett-Eastern Garrett-Western Highland-Eastern Highland- Western Grant-Eastern Grant-Western Mineral-Eastern Mineral- Western Pendleton-Eastern Pendleton- 407 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for the Allegheny Front counties in western Maryland, eastern West Virginia, and Highland County Virginia. .DAY ONE...Tonight A Flood Watch is in effect through 10pm tonight. Scattered instances of flooding are possible late this afternoon into this evening. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Isolated severe thunderstorms capable of producing damaging wind gusts are possible Thursday afternoon. An extended period of excessively hot and humid conditions is expected Sunday through at least the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$