August 25, 2012 8:00 pm Saturday PM Weather Update NBC 5 Meteorologist Grant Johnston tracks Tropical Storm Isaac through the gulf.. and possible storms in the local forecast. Wake Up to Something Good 2:41 NBC 5 Forecast: Warm and humid pattern, more storms later this week 3:11 NBC 5 Forecast: Warm and humid pattern, more storms later this week 2:26 NBC 5 Forecast: Warm and humid pattern, more storms later this week 2:26 NBC 5 Forecast: Warm and dry now; storms later this week 3:06 NBC 5 Forecast: Warm and dry now; storms later this week