The 10-day weather forecast for Marion, Indiana, is largely cloudy and windy with showers expected later in the day, with potential for severe thunderstorms. The weather is expected to be windy and potentially potentially violent, with thunderstorms expected in the evening, followed by periods of rain later at night. The forecast also includes a potential 90-per-day threat of rain, with rain likely throughout the day. The National Weather Service will monitor the weather for the next few days.