Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99° N Lon: 90.25° W Elev: 3 ft.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed NE 18 G 35 mph
Barometer 29.69 in (1005.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 22 Jul 5:53 pm CDT
Detailed forecast for

St. John The Baptist Parish

Tonight
Tropical storm conditions possible. Showers likely. A chance of thunderstorms, mainly this evening. Lows in the upper 70s. Northeast winds 20 to 25 mph, becoming southeast 15 to 20 mph after midnight. Chance of rain 70 percent. Heat index values up to 108 early this evening.
Thursday
Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 50 percent. Heat index values up to 106.
Thursday Night
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the upper 70s. South winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Chance of rain 20 percent.
Friday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108.
Friday Night
Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening.
Saturday
Mostly sunny. Highs in the mid 90s. Heat index values up to 105.
Saturday Night
Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Sunday
Sunny. Highs in the mid 90s. Heat index values up to 110.
Sunday Night
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Monday
Sunny. Highs in the upper 90s. Heat index values up to 115.
Monday Night
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Tuesday
Sunny. Highs in the upper 90s. Heat index values up to 115.
Tuesday Night
Mostly clear. Lows in the upper 70s. Heat index values up to 115 early in the evening.
Wednesday
Mostly sunny. Highs in the upper 90s. Heat index values up to 115 in the afternoon.



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535 PM CDT Wed Jul 22 2026
 
 

Additional Resources

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National Digital Forecast Database