Brit-Temperatures Seen on Warm Side, More RainForecasts June 16-20— MINNESOTA, WISCONSIN AND IOWA; Temperatures will average 2-4 degrees above normal; normal high 73 north to 86 south; normal low 30 north to G3 south; cooler on Wednesday, warming Thursday, turning cooler toward end of week, precipitation total .50 to 1 inch; showers east tonight and south Wednesday; showers Thursday and again by weekend.