Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.
Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >
| NWS Forecast for: St. John The Baptist Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 535 AM CDT Tue Jun 9 2026 | |
| Today: Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs around 90. East winds 5 to 10 mph. Chance of rain 20 percent. Tonight: Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Wednesday: Sunny with highs around 90. Southeast winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Thursday: Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Thursday Night: Mostly clear. Lows in the upper 70s. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. Friday Night: Mostly clear. Lows in the upper 70s. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105. Sunday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 40 percent. Monday: Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. | |
| Zone Forecast: St. John The Baptist Parish | |
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