What will the weather be like tomorrow?

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. What will the weather be like tomorrow?
  2. What will be the weather like tomorrow?
  3. What is the weather like today?
  4. What is the weather to be like today?
    Please explain the meaning of each sentence.
2

(1) and (3) ask questions about what sort of weather is expected tomorrow and today, respectively. (2) and (4) are muddled and need to be rephrased.