Jefferson County, LA Weather Alerts
Every National Weather Service alert issued for Jefferson County, Louisiana, pushed to your phone within moments — county code LAC051, forecast zone 3 zones (LAZ087, LAZ093, LAZ092). Free with StormCast.
Download on Google PlayHow the NWS identifies Jefferson County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches LAC051 directly rather than matching on place names, which is why an alert arrives whether you are in Barataria or anywhere else in the county.
NWS County Code
LAC051
Forecast Zones
3 zones (LAZ087, LAZ093, LAZ092)
Forecast Office
Slidell (LIX)
Radar Station
KHDC
Towns covered in Jefferson County
An NWS alert for Jefferson County applies to all 10 of these communities. You do not need a separate alert for each one.
River gauges in and around Jefferson County
StormCast tracks 11 gauges near Jefferson County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Barataria Bay and Waterway at West Closure CPX1 near Woodmere
- Barataria Bay and Waterway at Harvey Canal at Boomtown Casino/Estelle
- Barataria Bay and Waterway at Hero Canal (FS) near Belle Chasse
- Barataria Bay and Waterway at Lake Cataouatche at Whiskey Canal
- Barataria Bay and Waterway at Harvey Canal near Harvey 2SSE
- Barataria Bay and Waterway at Lafitte
- Barataria Bay and Waterway at Naomi Diversion Canal near Naomi
- Mississippi River at Alliance Refinery
- Barataria Bay and Waterway near Bayou Perot at Point Legard
- Barataria Bay and Waterway 14 miles SSE of Lafitte
- Barataria Bay and Waterway at Bay Dosgris near Galliano
Current conditions
Loading current conditions…
Alert types issued for Jefferson County
Tornado
Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.
How tornado alerts work →Flooding
Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.
How flood alerts work →Winter
Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.
Winter warnings explained →Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.
Fire weather alerts →Heat & Cold
Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.
Frost & freeze alerts →Jefferson County weather alert questions
Which NWS forecast zone is Jefferson County in?
Jefferson County, Louisiana is NWS county code LAC051 and spans 3 forecast zones (LAZ087, LAZ093, LAZ092). Alerts for it are issued by the Slidell (LIX) Weather Forecast Office, and the nearest NEXRAD radar is KHDC.
Which towns in Jefferson County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Jefferson County covers every community inside it, including Barataria, Grand Isle, Gretna, Harvey, Kenner, Lafitte, Marrero, Metairie, New Orleans and Westwego.
Are there river gauges in Jefferson County?
Yes — StormCast monitors 11 river gauges in and around Jefferson County, including Barataria Bay and Waterway at West Closure CPX1 near Woodmere, Barataria Bay and Waterway at Harvey Canal at Boomtown Casino/Estelle, Barataria Bay and Waterway at Hero Canal (FS) near Belle Chasse. You can set a flood-stage alert on any of them and get a push notification when the water rises.
How fast are alerts for Jefferson County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for LAC051, the push notification goes out within moments — even with your screen off.