Because of changes over time, the most accurate weather forecasts are

A. analog forecasts.

B. long-term forecasts.

C. seven-days forecasts.

D. short-term forecasts.

The correct answer for this question is D. Due to changes over time, the most accurate weather forecasts are short-term forecasts. Although modern technology allows us to predict the weather with increasing accuracy, the seven-day forecast and long-term forecasts provide nothing more than a guideline and cannot be relied upon.