I am feeling hot in cold weather I sleep with no blankets and I'm burning.?

Thyroid. This could be a metabolic or hormonal disturbance. An overactive thyroid gland, diabetes mellitus with elevated blood sugar or even high blood pressure could cause this heat feeling. Please check with your primary doctor asap.
Fever. Not sure how long u have had the fever. Best to have an exam by a family doc. Or go to the er. They can help u find the cause of your fever & treat it.