Hazardous Weather Outlook
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
422 FLUS41 KLWX 152038 HWOLWX Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 438 PM EDT Sat Aug 15 2026 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ053>057-527-162045- 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- 438 PM EDT Sat Aug 15 2026 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 No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday Multiple rounds of showers and thunderstorms are likely Sunday and Sunday night. Some of these storms may produce widely scattered instances of wind damage or flash flooding, and perhaps an isolated tornado. The threat is highest during the afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Sunday. $$ MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508- 526-WVZ050>053-055-162045- Washington-Frederick-Carroll-Northern Baltimore- Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta- Rockingham-Shenandoah-Page-Warren-Clarke-Nelson-Albemarle-Greene- Madison-Rappahannock-Orange-Culpeper-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Northwest Prince William-Hampshire-Morgan-Berkeley-Jefferson- Hardy- 438 PM EDT Sat Aug 15 2026 This Hazardous Weather Outlook is for portions of eastern West Virginia, northern and central Virginia, and central and western Maryland. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday Multiple rounds of showers and thunderstorms are likely Sunday and Sunday night. Some of these storms may produce widely scattered instances of wind damage or flash flooding, and perhaps an isolated tornado. The threat is highest during the afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Sunday. $$ MDZ501-502-509-510-VAZ503-504-WVZ501>506-162045- 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- 438 PM EDT Sat Aug 15 2026 This Hazardous Weather Outlook is for the Allegheny Front counties in western Maryland, eastern West Virginia, and Highland County Virginia. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday A Flood Watch remains in effect for Garrett County from 6 AM Sunday to 12 AM Monday. Multiple rounds of showers and thunderstorms are likely Sunday and Sunday night. Some of these storms may produce widely scattered instances of wind damage or flash flooding, and perhaps an isolated tornado. More numerous, possibly considerable instances of flash flooding are possible if multiple rounds of thunderstorms move over areas that have seen heavy rain recently. The threat is highest during the afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Sunday. $$