Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Flood Watch until June 19, 07:00 AM CDT

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

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

Overcast

78°F

26°C

Humidity	97%
Wind Speed	SE 5 mph
Barometer	29.81 in (1009.6 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	17 Jun 3:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

St. John The Baptist Parish

Rest Of Tonight

Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 70s. South winds around 5 mph. Chance of rain 50 percent.

Wednesday

Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Wednesday Night

Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Windy with lows in the upper 70s. South winds 15 to 20 mph, increasing to 20 to 30 mph after midnight. Chance of rain 90 percent.

Thursday

Partly sunny. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent. Heat index values up to 109.

Thursday Night

Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows around 80. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106 early in the evening.

Juneteenth

Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent. Heat index values up to 110.

Friday Night

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.

Saturday

Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 110.

Saturday Night

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 70s.

Sunday

Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110.

Sunday Night

Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Monday And Monday Night

Mostly clear. Highs in the mid 90s. Lows in the upper 70s. Heat index values up to 115.

Tuesday

Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110.