Severe Weather Update: March 11, 2026

Here is an update concerning the severe weather threat today into early tomorrow morning:

Changes from previous update: The timing has sped up.

WHAT: SLIGHT RISK of Severe Weather. MARGINAL RISK to SLIGHT RISK of Heavy Rain that could lead to flash flooding

WHEN: This evening into the early morning hours Thursday

WHERE: All of southeast Louisiana and south Mississippi

CONFIDENCE:

  • We have high confidence a line of thunderstorms will cross the area Wednesday evening into early morning Thursday. We have lower to medium confidence that embedded storms in the line will become severe.
  • We have lower confidence that this line of storms will result in any flash flooding.

Impacts: The main threats associated with any severe storms will be:

  • Wind gusts greater than 60 mph are possible.
  • Large hail of up to 1 inches in diameter will be possible.
  • A few tornadoes are possible.
  • Isolated flash flooding is possible in areas with high rainfall rates. Ponding of water is likely in low lying and poor drainage areas.
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