YotaTech Forums - Need help diagnosing "The Phantom Squeak"

Hello, I have a 92' 4x4 sr5 4AT that has been having what me and my friends have coined "the phantom squeak" for about 6 months now. The noise is a high-pitched sound, whose frequency and spacing is relative to the speed/rotation of the front tires. For the first 2-3 minutes of driving there will be no squeak, but then appears shortly after and abruptly so. On very cold days / mornings there is no squeak however, and the truck runs and drives fine. The odd thing is it gets louder the slower I go and fades when pressing the accelerator, going up a hill, or through a ditch. I don't drive the truck especially fast or hard, except for when its snowing and need to get up my driveway. Any help or input is greatly appreciated and welcomed, many thanks in advance!