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Dark skies made it appear more like the middle of the night for motorists heading into work in this photo on Illinois Route 159 (South Illinois Street) in Belleville which was taken around 7:45 a.m.  Heavy downpours moved across the region, and a steady heavy rain is expected to follow that for several hours on Thursday.  Temperatures will steadily drop throughout the day, from a high of 77 degrees - before the rain hit - through the 40's in the afternoon, and settling overnight to a low of 38 degrees.