ST. LOUIS — Another day of severe storms knocked out electricity for tens of thousands of additional residents, but brought along a cold front that was welcome relief for those waiting for power to be restored. A strong thunderstorm rolled through the region Friday, two days after one of the worst storms in recent memory caused more than 500,000 Ameren Corp. customers to lose power. Utility crews had trimmed that number significantly by Saturday morning, but the total rose again after the storms, adding another twist to a week that has seen at least 29 heat-related deaths across the nation. About 440,000 homes and businesses in the St. Louis area were still without electricity Saturday morning, but about 130,000 had been restored over the previous 24 hours. Ameren spokeswoman Susan Gallagher said it still could be early next week before all outages are resolved. Late Friday, a 36-inch water main broke near the St. Louis Science Center, flooding Interstate 64. By 8 a.m. Saturday, eastbound lanes of I-64 were still shut down, and many residents and businesses were without water. As the weather improved, there was hope the outages were becoming more of an inconvenience […]