National Weather Service United States Department of Commerce

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 >

Flash Flood risk continues through (at least) Thursday morning. Lighter rain tomorrow will help already saturated areas drain a bit. Heavy rains expected Wednesday night and especially Thursday morning will bring possibility of LIFE THREATENING Flash Flooding. #StayWeatherAware
A tropical storm may briefly form this afternoon and make landfall near the Texas and Louisiana border tonight. Regardless of development, significant flash flooding risk ramps up starting tonight into Thursday. There is an heightened risk for excessive rainfall, a few tornadoes will be possible, unsettled marine conditions including wind gusts in excess of 30 knots and wave heights of 6 to 9 feet in the open gulf waters, and minor coastal flooding Wed-Thu.
Numerous hazards including flash flooding, severe weather, coastal flooding, storms capable of a few tornadoes, and unsettled marine weather will be present through this week due to a passing tropical system. Stay weather aware!

 


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 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Baton Rouge LA05:53Light Rain10757496ESE 3-29.82
Biloxi MS04:55Light Rain10807584S 10-29.81
Gulfport MS06:05Light Rain10807790S 8-29.85
Hammond LA05:55Light Rain107676100CALM-29.84
Houma LA05:47Partly Cloudy7807788S 13-29.83
McComb MS05:53Mist1 3/4747397SSE 7-29.85
New Orleans LA05:53Overcast10807790S 7-29.84
Slidell La05:53Overcast10777696VRB 3-29.84