BALTIMORE (WJZ) — The First Warning Weather team is continuing to monitor a powerful low pressure system that is expected to bring more heavy rain to the Baltimore area on Friday.

The NWS says the next few days will be a dangerous time, requiring more than the usual awareness, planning and preparations.

If you are near streams or drainage ditches you are urged to keep an eye on them and be ready to quickly seek higher ground.

A Flash Flood Watch is in effect through Friday morning due to the expected rainfall.

forecast11 FIRST WARNING WX: Md. Could See More Heavy Rain Friday

“Drivers need to be extremely cautious during heavy rains.  From reduced visibility, potential hydroplaning, and flooded roadways, driving conditions will not be ideal and we all need to adjust for safety,” said SHA Administrator Gregory C. Johnson, P.E.  “Do not try to drive through high water or flooded roadways. It does not take much water to lose control of your vehicle and endanger yourself and others.”


Widespread rainfall amounts of 4 to 8 inches are expected. Localized amounts up to a foot of rain are possible, including along the eastern slopes of the Northern Virginia Blue Ridge and Catoctin Mountain in Maryland.

“The rainfall totals we’re expecting have not changed. Within the next 48 hours, storm totals of 4-8 inches are likely in the Greater Washington, D.C. and Baltimore Metro Areas — and we’re emphasizing that those cities and towns located north and west of I-95 will be hit the hardest,” says Meteorologist Tim Williams. “As the upper-level low pressure system slowly weakens and starts to lift out to the north and east on Sunday and Sunday night, we still have a couple of showers covered in various forecasts for most of the Eastern Region.”

Read more on the latest alerts HERE.

Get realtime weather updates by downloading the CBS Baltimore App.

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