BROOKHAVEN — Thunderstorms rumbled their way across Southwest Mississippi with rainfall Monday afternoon. The rain brought a brief relief from the summer heat.

The storms also knocked out power to customers in Southwest Mississippi including 55 customers in Lincoln County. Entergy reported a power outage to 55 customers in Lincoln County. Southwest Electric reported 649 customers in Claiborne County without power, 177 in Wilkinson County and 83 customers in Jefferson County without power.

At the same time, temperatures reached a high of 91 degrees according to the McComb weather station with a heat index of 99 degrees by 12:53 p.m. Monday.

More rainfall could come this week paired with heat stress conditions. 

According to the National Oceanic and Atmospheric Administration, a tropical disturbance has now been detected in the Atlantic ocean. It is off the northeast cost of South America and forecast to travel west towards the Yucatan Peninsula in Mexico. No other tropical disturbances are in the forecast at this time.