Numbness

• As a stroke begins to occur, you may experience feelings of numbness in your face or arm, according to the Internet Stroke Center. In particular, it may feel as if only one side of your body is affected.
  
  

Trouble Speaking

• Another sign of an oncoming stroke is trouble speaking, according to the NIH. You may have trouble forming words and may feel very confused about what is happening to you.
  
  

Vision Problems

• The Internet Stroke Center also lists vision problems as a sign of an oncoming stroke. Your vision could become very blurry, or it may appear that your vision in one eye is not working properly.
  
  

Headache

• According to the NIH, an oncoming stroke may cause a very intense headache that does not go away. A bad headache should be taken very seriously if it is combined with other stroke symptoms.
  
  

Loss of Balance

• An oncoming stroke may also cause you to lose your balance or affect your ability to walk, according to the NIH.