Weather World
Upper Occoquan Polish Pond Weather Advisories
WEATHER ALERT
Issue Date: 831 PM EDT Thu Aug 27 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 A Severe Thunderstorm Watch is in effect until 10 PM for much of the area. Scattered severe thunderstorms capable of producing damaging wind gusts and large hail are possible through this evening. An isolated tornado cannot be ruled out, mainly across northeastern Maryland. Multiple rounds of heavy rain could result in flash flooding, especially in urban, low-lying, and poor drainage areas. Low water crossings could flood with repeated heavy rain. Special Marine Warnings will likely be needed as strong thunderstorms move over the waters. A few waterspouts are possible, mostly north of the Bay Bridge.
DAYS TWO THROUGH SEVEN
Friday through Wednesday No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT
Spotters have been activated, and should report hazardous weather to the National Weather Service per standard operating procedures.
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 Severe Thunderstorm Watch is in effect until 10 PM for much of the area. Scattered severe thunderstorms capable of producing damaging wind gusts and large hail are possible through this evening. An isolated tornado cannot be ruled out, mainly across northeastern Maryland. Multiple rounds of heavy rain could result in flash flooding, especially in urban, low-lying, and poor drainage areas. Low water crossings could flood with repeated heavy rain. Special Marine Warnings will likely be needed as strong thunderstorms move over the waters. A few waterspouts are possible, mostly north of the Bay Bridge.
DAYS TWO THROUGH SEVEN
Friday through Wednesday No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT
Spotters have been activated, and should report hazardous weather to the National Weather Service per standard operating procedures.
SEVERE THUNDERSTORM WATCH
Issue Date: 819 PM EDT THU AUG 27 2026
SEVERE THUNDERSTORM WATCH 632 REMAINS VALID UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 11 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL VIRGINIA KING GEORGE IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARKENDALE, ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BROOKFIELD, BROOMES ISLAND, BURKE, BYNUM, CALIFORNIA, CALLAWAY, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESAPEAKE BEACH, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COVE POINT, DAHLGREN, DALE CITY, DAMERON, DRUM POINT, DUNDALK, DUNKIRK, EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FALMOUTH, FELLS POINT, FOUR CORNERS, GAITHERSBURG, GARRISONVILLE, GERMANTOWN, GLEN BURNIE, GLENDIE, GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEXINGTON PARK, LONG BEACH, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER, MOUNT HARMONY, PARK HEIGHTS, PARKVILLE, PINEY POINT, RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGE, RIDGEWAY, RIVERCREST, ROLLINS FORK, ROSSLYN, SEVERN, SEVERNA PARK, SHILOH, SILVER SPRING, SIMPSONVILLE, SOTTERLEY, SOUTH GATE, ST. CHARLES, SUITLAND-SILVER HILL, TANTALLON, TOWSON, WALDORF, WASHINGTON, WIDEWATER, WOODBRIDGE, WOODLAWN, AND WOODSTOCK.
SEVERE THUNDERSTORM WATCH 632 REMAINS VALID UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 11 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL VIRGINIA KING GEORGE IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARKENDALE, ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BROOKFIELD, BROOMES ISLAND, BURKE, BYNUM, CALIFORNIA, CALLAWAY, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESAPEAKE BEACH, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COVE POINT, DAHLGREN, DALE CITY, DAMERON, DRUM POINT, DUNDALK, DUNKIRK, EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FALMOUTH, FELLS POINT, FOUR CORNERS, GAITHERSBURG, GARRISONVILLE, GERMANTOWN, GLEN BURNIE, GLENDIE, GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEXINGTON PARK, LONG BEACH, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER, MOUNT HARMONY, PARK HEIGHTS, PARKVILLE, PINEY POINT, RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGE, RIDGEWAY, RIVERCREST, ROLLINS FORK, ROSSLYN, SEVERN, SEVERNA PARK, SHILOH, SILVER SPRING, SIMPSONVILLE, SOTTERLEY, SOUTH GATE, ST. CHARLES, SUITLAND-SILVER HILL, TANTALLON, TOWSON, WALDORF, WASHINGTON, WIDEWATER, WOODBRIDGE, WOODLAWN, AND WOODSTOCK.
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