8 things you need to know today

Good morning Baltimore! It'll be much warmer but rainy today with temperatures reaching the low 70s and heavy thunderstorms this afternoon into the evening. Now, for the news of the day. A second Covid-19 booster shot is now allowed for older people and those with medical conditions, federal regulators said this week. However, it's not likely demand will be very high for the booster, which would be the fourth shot approved after the initial booster became available last fall. In Maryland, about…