Johnson County Weather ForecastUnited StatesNEJohnson County3260TecumsehMostly Cloudy3160SterlingMostly Cloudy3161CookMostly Cloudy3259Crab OrchardMostly CloudyCookCrab OrchardElk CreekHeusman ReservoirHickory Ridge State Wildlife Management AreaMittleberg ReservoirOsage State Wildlife Management AreaSt MarySterlingTecumsehTecumseh City ParkTecumseh Municipal AirportVesta