August 18, 2010 4:12 pm Video Forecast – PM – August 18, 2010 Meterologist Grant Johnston updates the forecast for Wednesday, August 18, 2010. Wake Up to Something Good 2:30 NBC 5 Forecast: More storm chances for the weekend, but not a washout 4:09 NBC 5 Forecast: More storm chances for the weekend, but not a washout 2:28 NBC 5 Forecast: More storm chances for the weekend, but not a washout 2:35 NBC 5 Forecast: More storm chances for the weekend, but not a washout 2:51 NBC 5 Forecast: On and off storm chances continue