Poweshiek County Weather ForecastUnited StatesIAPoweshiek County5167BrooklynRain Showers Likely5267MontezumaRain Showers Likely5267GrinnellChance ThunderstormsBrooklynCarnforthDeep RiverDeep River Timber ReserveDiamond LakeEast FieldEwartFox Forest County Recreation AreaGrinnellGrinnell Regional AirportGuernseyHartwickHoliday LakeLake PonderosaMalcomMontezumaSearsboroSheridanSig FieldSkydive Iowa Airport