Heat Advisory
2026-07-19T18:00:00-05:00

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the first Heat Advisory, until 6 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Realtime Data

Louisiana

Pearl River

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Heat Advisory
Until 2026-07-20T07:00:00-05:00 • National Weather Service
* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the first Heat Advisory, until 6 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

PEARL RIVER NEAR BOGALUSA, LA

Realtime Data • Report • Conditions

6,780

Discharge (cfs)

11.6

Gauge Height (ft)

USGS 02489500

Streamflow discharge was last observed at 6,780 cfs, and a gauge height of 11.56 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 5,115 .

Weather today, Tomorrow,

The river has several tributaries, including the Bogue Chitto River and the West Hobolochitto Creek, and is dammed at several points. Seasonal trends show higher flow during the wet season and lower flow during the dry season. Interesting facts about the hydrology of the Pearl River include the occurrence of flash floods during heavy rain events and the presence of several rare and endangered species in the river and its surrounding watershed. Overall, the Pearl River is an important waterway for the region and its hydrology is complex and dynamic.

July 19, 2026

Elevation	73.0 ft
Last Updated
Gage height, ft	11.56 ft
Precipitation, total, in	0.0 in
Stream water level elevation above NAVD 1988, in ft	66.2 ft
Streamflow, ft³/s	6780.0 ft3/s
Percent of Normal	156%
Year Over Year Average	4,330 cfs
24hr Flow Prediction	cfs
Maximum Recorded	111,000 cfs

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Pearl River Near Bogalusa, La Realtime Data

PEARL RIVER NEAR BOGALUSA, LA

Realtime Data • Report • Conditions

6,780

Discharge (cfs)

11.6

Gauge Height (ft)

July 19, 2026

Seasonal Comparison

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Pearl River Near Bogalusa, La Realtime Data

PEARL RIVER NEAR BOGALUSA, LA

Realtime Data • Report • Conditions

6,780

Discharge (cfs)

11.6

Gauge Height (ft)

July 19, 2026

Seasonal Comparison

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