National Weather Service United States Department of Commerce

It will be clear and calm tonight with increasing clouds expected later on Thursday. Lows tonight will be in the 30s with highs Thursday in the mid 60s to low 70s. It will be stormy Thursday night with a low risk for some storms with large hail.
Widespread showers and thunderstorms are expected Thursday night. A soaking rain of 0.5 inch to 1.5 inches is expected along and south of I-80 with lower totals north. There is a low risk for isolated severe storms mid evening into the early overnight hours with large hail the main threat.
Widespread abnormally dry to Moderate Drought (D1) conditions continue across the region, with Severe Drought (D2) expanding across the Highway 20 corridor in eastern Iowa into northern Illinois. With the dry weather pattern continuing across the region, the drought conditions could worsen in some areas through next week.