New event. Flood Watch from 9/2/2021 2:00 PM EDT until further notice for Central Maryland. More information.
Interactive NWS Alert
Radar valid at 900 am EDT, Aug 31st 2021
...The National Weather Service in Baltimore MD/Washington DC has
issued a Flood Watch for the following rivers in Maryland...West
Potomac River at Paw Paw affecting Morgan, Central and Eastern
Allegany and Hampshire Counties.
Potomac River at Dam Number Five affecting Washington and
Wills Creek near Cumberland affecting Central and Eastern
Conococheague Creek at Fairview affecting Washington County.
Opequon Creek near Martinsburg affecting Jefferson and Berkeley
Monocacy River near Frederick affecting Frederick MD zone.
Cacapon River near Great Cacapon affecting Morgan County.
For the Potomac River...including Paw Paw, Hancock, Dam Number Five,
Shepherdstown, Harpers Ferry, Point of Rocks, Edwards Ferry, Little
Falls...flooding is possible.
For the Wills Creek...including Cumberland...flooding is possible.
For the Conococheague Creek...including Fairview...flooding is
For the Opequon Creek...including Martinsburg...flooding is possible.
For the Monocacy River...including Frederick...flooding is possible.
For the Cacapon River...including Great Cacapon...flooding is
1256 AM EDT Tue Aug 31 2021
The National Weather Service in Sterling Virginia has issued a
* Flood Watch for
the Monocacy River near Frederick.
* From Thursday afternoon until further notice.
* At 11:30 PM EDT Monday the stage was 2.0 feet, or 13.0 feet below
* Flood stage is 15.0 feet.
* Flooding is possible.
* Forecast...Flood stage may be reached early Thursday afternoon.
* Impact...At 15.0 feet, Both banks of the river are flooded. Water
begins to flood low-lying fields at Monocacy National Battlefield.
Water reaches the access road of the Frederick city wastewater
treatment plant. Backwater flooding is occurring on several area
creeks, particularly Carroll Creek in Frederick.
River Name Fld Observed Tue Tue Tue Crest
Location Stg Stg Day/Time 8AM 2PM 8PM Stg Time Date
Frederick 15.0 2.0 Mon 11 pm 2.0 2.1 2.0 2.1 2am Tue
LAT...LON 3958 7738 3955 7731 3940 7735 3924 7741
3922 7745 3926 7748 3951 7742
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