Warm and humid is the name of the game Wednesday with temperatures climbing to the mid 80s in the afternoon. Humidity levels will also creep back up to noticeably levels. Three low pressure systems will impact the region through the weekend. The first will bring a cold front through southeastern Minnesota and North Iowa Thursday evening into the overnight, sparking severe weather chances. The second arrives Saturday with another cold front that could promote isolated showers. The third will bring widespread rain as early as Sunday evening, but especially on Monday.