Four people died in weather-related accidents Monday in eastern Iowa. 40-year-old Robert Casey of Oelwein died when his car slid across highway 150 south of Independence. His car was struck by a semi and pushed into another car. In Bremer County, 47-year-old Daniel Burds of Waterloo was killed when a pickup went out of control on highway 63 near Tripoli and hit his car. A passenger in the pickup 64-year-old Dale Felton of Wisconsin, also died in the accident. And finally, 46-year-old Marie Junger of Carpenter was killed when her car went out of control on highway 105 and was hit by a semi near Northwood