An excessive heat warning remains in place for Columbia County through 7 p.m. Tuesday.
The warning from the National Weather Service in Shreveport also includes adjacent areas of South Arkansas and North Louisiana.
An upper level heat ridge will remain in place across the Four State Region through the early part of the work week.
High temperatures will continue to approach triple digits with heat index values reaching or exceeding 110 degrees. Expect limited relief overnight with lows into the upper 70s to around 80 degrees.
Heat index readings will increase the risk of heat-related illnesses, including heat stroke which can be deadly.