Little Patuxent River near Guilford, MD

The last 7 days and the forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 20 ftBoth US 29 bridges over the Little Patuxent are flooded. Water covers several other roads and numerous trails and footbridges near the river.
• 18 ftWater begins to cover the US 29 southbound bridge over the Little Patuxent in Columbia. Water approaches homes in a neighborhood just downstream.
• 15 ftFloodwater approaches US 29 in Columbia and begins to cover Vollmerhausen Road near Savage.
• 13 ftWater approaches the very end of Owen Brown Road.
• 12 ftWater covers the bridge at South Entrance Road. Several trail bridges also begin to flood.
• 9.5 ftLarge parts of the Patuxent Branch Trail are completely flooded along with several trail bridges between Old Guilford Road and South Carlinda Avenue.
• 8 ftSeveral parts of the Patuxent Branch Trail start to flood near the Little Patuxent River.

Highest crests on record

1. 18.38 ft — June 22, 1972
2. 15.23 ft — May 28, 2018
3. 15.09 ft — June 25, 2006
4. 14.97 ft — July 31, 2016
5. 14.06 ft — September 7, 2011

Recent crests: 8.91 ft (October 29, 2021) · 9.41 ft (December 16, 2018) · 11.27 ft (June 4, 2018) · 15.23 ft (May 28, 2018) · 12.05 ft (July 29, 2017)

Up and down the river, and nearby

• DownstreamLittle Patuxent River near Savage, MD
• Patuxent River below Duckett Dam near Laurel, MD
• Patapsco River near Catonsville, MD
• Patapsco River near Elkridge at Patapsco Valley State Park, MD
• Patuxent River below Brighton Dam, MD
• Hawlings River near Sandy Spring, MD
• Paint Branch Tributary Near Colesville, MD, MD
• East Branch Herbert Run at Arbutus, MD