Severe Thunderstorm Warning Issued for St. Tammany, Tangipahoa, Washington Parishes LA

Source: NOAA · Southeastern Louisiana

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NWS New Orleans has issued a Severe Thunderstorm Warning for northwestern St. Tammany, central Tangipahoa and southwestern Washington parishes in Louisiana until 5:30 PM CDT.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 4, 2026 and geographically references Southeastern Louisiana. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Severe Thunderstorm Warning, Louisiana) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in New Orleans LA. The alert is effective from May 22, 2026 at 4:51 PM CDT until May 22, 2026 at 5:30 PM CDT.

Affected Areas

The warning covers northwestern St. Tammany Parish, central Tangipahoa Parish, and southwestern Washington Parish in southeastern Louisiana. Locations impacted include Hammond, Franklinton, Ponchatoula, Amite City, Roseland, Folsom, Springfield, Natalbany, Robert, Enon, Wilmer, and Tickfaw. This includes Interstate 12 between mile markers 35 and 55 and Interstate 55 in Louisiana between mile markers 24 and 34 and between mile markers 52 and 53.

What You Should Do

For your protection move to an interior room on the lowest floor of a building.

Expected Conditions

At 4:50 PM CDT, severe thunderstorms were located along a line extending from near Wilmer to 6 miles west of Folsom to near Springfield, moving east at 25 mph. Hazards include 60 mph wind gusts and hail up to 0.75 inches. Expect damage to roofs, siding, and trees.

Timeline

The warning is in effect from May 22, 2026 at 4:51 PM CDT and expires at 5:30 PM CDT the same day.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS New Orleans has issued a Severe Thunderstorm Warning for northwestern St. Tammany, central Tangipahoa and southwestern Washington parishes in Louisiana until 5:30 PM CDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Louisiana. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.