Update, 7:19 a.m.
The tornado watch for southeast Louisiana has been extended until 3 a.m.
Update, 6:49 p.m. Thursday
A tornado warning is in effect for Washington Parish until 6:45 p.m.
Update, 6:01 p.m. Thursday
A tornado warning has been issued for Tangipahoa and Washington parishes until 6:15 p.m.
The tornado warning issued for the areas around Amite and Independence has expired.
A line of severe storms is now moving through metro Baton Rouge.
Update, 5:28 p.m. Thursday
A tornado warning has been issued for Livingston, Helena, Tangipahoa and St. Helena parishes, including Amite and Independence, until 6 p.m.
A severe thunderstorm warning has been issued for East Baton Rouge, West Baton Rouge and Livingston parishes until 6:15 p.m.
Track the storms on our radar below. Click here if you're having trouble viewing the radar.
Update, 5:12 p.m. Thursday
The tornado watch for the Lafayette area has expired but continues for the Baton Rouge and New Orleans areas until 10 p.m.
Update, 4:50 p.m. Thursday
A tornado warning is in effect for East Baton Rouge and East Feliciana parishes until 5:30 p.m.
A tornado warning remins in effect for West Feliciana and Plaquemines parishes until 5 p.m.
Update, 3 p.m. Thursday
The National Weather Service has issued a tornado watch for all of southeast Louisiana, including the Baton Rouge, New Orleans and Lafayette areas, until 10 p.m.
The NWS says conditions are favorable in and around the watch area for the development of tornadoes.
Besides isolated twisters, other impacts might include large hail up 1.5 inches in diameter, wind gusts up to 70 mph and dangerous lightning.
The National Weather Service has increased the chance for severe storms beginning mid-afternoon Thursday into the evening in south Louisiana.
Thunderstorms are expected to pass through Baton Rouge and New Orleans Thursday night, and the risk of tornadoes cannot be ruled out, the National Weather Service said.
Lingering rain showers could persist Friday morning, and strong winds are also expected. A cold front will pass through the region Friday, with highs only expected in the upper 40s in Baton Rouge and around 50 in New Orleans.