Saint Mary County, LA Weather Alerts

Every National Weather Service alert issued for Saint Mary County, Louisiana, pushed to your phone within moments — county code LAC101, forecast zone 3 zones (LAZ154, LAZ254, LAZ055). Free with StormCast.

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How the NWS identifies Saint Mary County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches LAC101 directly rather than matching on place names, which is why an alert arrives whether you are in Amelia or anywhere else in the county.

NWS County Code

LAC101

Forecast Zones

3 zones (LAZ154, LAZ254, LAZ055)

Forecast Office

Lake Charles (LCH)

Radar Station

KHDC

Towns covered in Saint Mary County

An NWS alert for Saint Mary County applies to all 9 of these communities. You do not need a separate alert for each one.

Amelia Baldwin Berwick Centerville Charenton Franklin Garden City Morgan City Patterson

River gauges in and around Saint Mary County

StormCast tracks 7 gauges near Saint Mary County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Louisiana river gauges →

Current conditions

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Alert types issued for Saint Mary 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 →

Wind & Lightning

High Wind Warning, Wind Advisory and lightning proximity alerts.

Lightning alerts →

Saint Mary County weather alert questions

Which NWS forecast zone is Saint Mary County in?

Saint Mary County, Louisiana is NWS county code LAC101 and spans 3 forecast zones (LAZ154, LAZ254, LAZ055). Alerts for it are issued by the Lake Charles (LCH) Weather Forecast Office, and the nearest NEXRAD radar is KHDC.

Which towns in Saint Mary County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Saint Mary County covers every community inside it, including Amelia, Baldwin, Berwick, Centerville, Charenton, Franklin, Garden City, Morgan City and Patterson.

Are there river gauges in Saint Mary County?

Yes — StormCast monitors 7 river gauges in and around Saint Mary County, including Lake Palourde above Morgan City, Atchafalaya River at Morgan City, Bayou Millhome near Stephensville. 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 Saint Mary County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for LAC101, the push notification goes out within moments — even with your screen off.

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