TAF KDTW 250909Z 2509/2612 VRB03KT P6SM OVC015 
  FM251000 32007KT P6SM BKN045 
  FM251600 03010KT P6SM BKN015 BKN250 
  FM251900 05013KT P6SM BKN025 OVC120 
  FM252200 07010KT P6SM SCT035 BKN120 OVC250