The Oklahoma Highway Patrol reports strong winds have blown over several tractor-trailer rigs on Interstate 40 in western Oklahoma and westbound lanes of the interstate is down to one lane of traffic.
No injuries were reported after the rigs were blown over near Sayre, about 25 miles east of the Oklahoma-Texas state line.
The National Weather Service issued a severe thunderstorm warning in the area until 6 p.m. Friday and said winds of up to 60 miles per hour and penny-sized hail is possible.
The weather service said the storms could also produce heavy rainfall, leading to flooding in the area.