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A slow moving autumn storm system continues to spin across the Ohio Valley and will move slowly off to the Northeast through Sunday. The first few days of October will bring unsettled conditions with light drizzle and rain showers across the Mid-Atlantic, Great Lakes, and Northeast. Showers and a few rumbles of thunders will continue to affect these regions, with the heaviest rain bringing localized flooding to the Delmarav region.

An upper-level low pressure system has made itself present the last few days within the Ohio Valley and waves of showers and thunderstorms are circulating around it counter clockwise. This set-up is pulling copious amounts of Atlantic moisture onto the Eastern Seaboard and into the Great Lakes. Along with an easterly flow off the Atlantic, tides will be slightly higher than normal and higher wind gusts will bring more beach erosion to the Carolina, Delmarva, and Jersey coastline.

This slow-moving storm system will finally weaken this evening as the bulk of the moisture will remain offshore. Coastal Flood Advisories and Warnings are in effect from the southern Delaware shoreline, and Virginia shorelines, including Rehoboth Beach, Del., and Sailsbury, Md.

Rainfall totals since Wednesday evening have been heavy in many locations. Habeson, Del. received near a foot of rainfall, while the rest of the state received anywhere from 3 to 9 inches, and Salisbury, Md. received 8.27 inches of rain. Small communities in eastern Pennsylvania and New Jersey have received 2 to 4 inches and further back in Michigan, Detroit received 5.50 inches of rain. An additional inch is expected across the Mid-Atlantic and Northeast, while 1 to 2 inches is expected along the shorelines of the Great Lakes. With cooler air above the warmer waters of the Great Lakes, there is also the risk of waterspouts.

These rainfall totals have caused some rivers to flow out of their banks, although widespread flash flooding is not anticipated due to a recent spate of dry weather. If you come across water in the road, do not attempt to cross it, as it is likely deeper than it appears. Remember, "Turn Around, Don't Drown!"

Check your WeatherBug for the latest on the late-September drencher.

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Showers Soak Mid-Atlantic, Northeast, and Great Lakes