Consider replacing your radiator cap . .
It is called condensation.
That "mist" is more than likely coolant steam coming from a leaky heater core. Replacing the heater core is your best option.
Scientist opened a portal to another dimension where the creatures inhabited and started coming through the portal with the mist
Leaking heater core
smoky mist coming from the heater vents.
That's the carburettor.
Could be a leaky gasket, but almost always this is caused by a failed water pump.
"The mist and fog make it hard to perceive who's coming."
The heat causes mist to form and vaporization forms which causes them to become a bit wet.
A fine mist coming from the air system is engine coolant. The most common cause is a leaking heater core.
try changing plugs and wires
Mist is formed by fine droplets of water in the atmosphere near the earth and commonly occurs when cold air rises above warmer water. Mist causes a haze that can blur the vision.