 Hello, I'm Nina Totenberg. Your old car can make a big difference here every day. You can turn your Mercedes into Morning Edition. You're Acura into all things considered. Here's how. Go to WSHU.org and click on Vehicle Donations. Clouds and sun mixing today. Afternoon clouds might bring a shower, possibly a thunderstorm. Mid to upper 80s on a thermometer today. Heat index values as high as 99. A little bit cooler in eastern Suffolk.