Poweshiek County Weather ForecastUnited StatesIAPoweshiek County6285BrooklynSlight Chance Thunderstorms6285MontezumaMostly Sunny6284GrinnellBecoming SunnyBrooklynCarnforthDeep RiverDeep River Timber ReserveDiamond LakeEast FieldEwartFox Forest County Recreation AreaGrinnellGrinnell Regional AirportGuernseyHartwickHoliday LakeLake PonderosaMalcomMontezumaSearsboroSheridanSig FieldSkydive Iowa Airport