Navigation system and method integrating weather information

A navigation method integrating weather information comprising the following steps:

• providing regional weather information indicating different weather condition levels and specifying a threshold value corresponding to one of the weather condition levels;
• acquiring a positioning signal;
• providing map information;
• and
• planning out a driving route based on the map information and the regional weather information to avoid any region that has a weather condition level higher than the threshold value, and providing a navigation message based on the planned driving route and the acquired positioning signal.

A navigation method integrating weather information, comprising the following step:

• receiving regional weather information with a warning message:
• acquiring a positioning signal;
• providing map information;
• and
• planning out a driving route based on the map information and the regional weather information to avoid any region that has been issued the warning message, and providing a navigation message based on the planned driving route and the acquired positioning signal.