SHREVEPORT — The National Weather Service says a line of thunderstorm is moving from East Texas toward northwest Louisiana.

Meteorologist Davyon Hill says the storm, packing high winds and rain, should be moving into the state around 6:30 a.m. Monday.

Hill says high winds late Sunday night downed trees in Caddo, Webster and Sabine parishes.

A tornado watch is in effect for the northwest corner of the state until 11 a.m.