First at 4:00: Hot & humid weather, A Chesterfield first, Calcium concerns

It's been a mix of clouds and sun on this Memorial Day. Ros Runner has a look at the summer-like conditions outside and what the rest of the week holds.

For the first time in Chesterfield Police history, a woman has climbed the ranks to Major! Tara Morgan has a closer look at the role women are taking in the department.

We have an amazing survival story to tell you about 3 people who were on a plane when it crashed into a mountain. Sabrina Squire explains how they made it out alive.

In Healthcast, we have new information on calcium supplements. Heather Sullivan reveals new information about their new link to heart attacks.

Those stories and much more coming up on NBC12 and streaming live on