Extreme Heat Warning
2026-07-15T20:00:00-04:00

* WHAT...Dangerously hot conditions with heat index values up to 107 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From 10 AM to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...While the hottest conditions are expected to occur on Wednesday, heat indices will climb into the mid 90s today.

Realtime Data

Delaware

Explore Interactive Map

Extreme Heat Warning
Until 2026-07-14T16:00:00-04:00 • National Weather Service
* WHAT...Dangerously hot conditions with heat index values up to 107 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From 10 AM to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...While the hottest conditions are expected to occur on Wednesday, heat indices will climb into the mid 90s today.

SHELLPOT CREEK AT WILMINGTON, DE

Realtime Data • Report • Conditions

2

Discharge (cfs)

1.5

Gauge Height (ft)

USGS 01477800

Streamflow discharge was last observed at 1 cfs, and a gauge height of 1.52 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 10 .

Weather today, Tomorrow,

The main constituents of the flow are precipitation, groundwater, and runoff from surrounding areas. The creek receives water from several tributaries and does not have any significant dams. During the summer months, flow is typically lower due to less precipitation and higher temperatures. In the winter, flow can increase due to snowmelt and increased precipitation. Interesting facts about the hydrology of Shellpot Creek include its history as a source of power for mills in the area and its importance as a habitat for fish and other aquatic organisms.

July 14, 2026

Elevation	55.0 ft
Last Updated
Gage height, ft	1.52 ft
Stream water level elevation above NAVD 1988, in ft	15.56 ft
Streamflow, ft³/s	1.27 ft3/s
Percent of Normal	100%
Year Over Year Average	2 cfs
24hr Flow Prediction	cfs
Maximum Recorded	2,460 cfs
Geolocation	39.76, -75.52

SNOFLO^®

Shellpot Creek At Wilmington, De Realtime Data

SHELLPOT CREEK AT WILMINGTON, DE

Realtime Data • Report • Conditions

2

Discharge (cfs)

1.5

Gauge Height (ft)

July 14, 2026

Seasonal Comparison

Oceanic Nino Index

SNOFLO®

Shellpot Creek At Wilmington, De Realtime Data

SHELLPOT CREEK AT WILMINGTON, DE

Realtime Data • Report • Conditions

2

Discharge (cfs)

1.5

Gauge Height (ft)

July 14, 2026

Seasonal Comparison

Oceanic Nino Index

$4.99

$3.99

Per Month

SNOFLO^®