Severe thunderstorms that moved through southwest Arkansas on April 9, 2009, produced an EF3 tornado that destroyed the city's water treatment plant.

On October 29th, 2024, a semi-truck trailer dragging chains along Highway 278 created sparks igniting a grass fire that spread rapidly.

US 278 runs east out of Dierks on 4th Street and Massey Avenue, eventually traveling 19 miles (31 km) southeast to Nashville.

According to the United States Census Bureau, the city has a total area of 1.9 square miles (4.9 km2), all land.

[7] Dierks Lake is a reservoir on the Saline River seven miles northwest of the city limits.

The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

In honor of its logging heritage, Dierks holds the annual Pine Tree Festival the first weekend in August every year at Jack Clawson Memorial Park.

The festival typically concludes with a concert featuring a country music singer or group.

Past performers have included Craig Morgan, Reba McEntire, Hank Williams, Jr., Skeeter Davis, Keith Whitley, John Anderson, Dan Seals, Mindy McCready, Vern Gosdin, Sherrie Austin, and the Bellamy Brothers.