April 28, 2024 8:04 am Chicago Forecast: More storms in the forecast Isolated storms possible Sunday evening before more widespread rain overnight Local 2:25 Chicago Forecast: Beautiful Mother's Day weather 2:20 CHICAGO'S FORECAST: Great Mother's Day Weather! 1:53 What is a geomagnetic storm and how does it cause the Northern Lights? Here's what to know 2:13 Chicago Forecast: Great Mother's Day weekend weather 1:53 Solar storm produces breathtaking Northern Lights display