National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

Grand Isle County

Zone Forecast

  • Today Cloudy. A slight chance of sprinkles this morning. Highs in the mid 40s. South winds 15 to 20 mph.
  • Tonight Cloudy. A slight chance of rain showers until midnight... Then rain likely after midnight. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Monday Cloudy...rain...mainly in the morning. Breezy with highs in the upper 50s. South winds 15 to 25 mph. Chance of rain 80 percent.
  • Monday Night Mostly cloudy with a 40 percent chance of showers. Breezy with lows around 40. South winds 15 to 25 mph.
  • Tuesday Partly sunny. Highs in the mid 40s. Southwest winds 15 to 20 mph.
  • Tuesday Night Partly cloudy. Lows in the lower 30s.
  • Wednesday Mostly cloudy. Highs in the upper 30s.
  • Wednesday Night And Thanksgiving Day Mostly cloudy with a chance of snow or rain showers. Lows in the lower 30s. Highs in the upper 30s. Chance of precipitation 30 percent.
  • Thursday Night Mostly cloudy with a 40 percent chance of snow showers. Lows in the lower 20s.
  • Friday Partly sunny with a 40 percent chance of snow showers. Highs in the upper 20s.
  • Friday Night And Saturday Partly cloudy. Lows around 20. Highs around 30.