Fever while pregnant?

Mexiflower • Hi im Christine. and we are trying for our last baby:) i have a girl12 boy10 girl5 boy4 girl1
At what temp should i be concern? Me and my son got a cold from my daughter. Hes had a bad fever. I have to take my temp to even see what it is. I hope i dont get a fever but i got everything else. Chills vomiting. Weakness light headed. Im 35wk. This sucks lol