Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Grand Valley (Madill Field)
Closest report is Region of Waterloo International Airport, 24.6 nm (45.5 km) SSW.
2026/03/18 02:00 (retrieved 23 minutes ago)
CYKF 180200Z AUTO 23007KT 9SM -SN OVC060 M08/M12 A3011 RMK SLP220
Closest aviation forecast (TAF) to Grand Valley (Madill Field)
Closest forecast is Region of Waterloo International Airport, 24.6 nm (45.5 km) SSW.
2026/03/18 02:42 (retrieved 0 seconds ago)
TAF CYKF 180140Z 1802/1814 25008KT P6SM SCT020 BKN050 TEMPO 1802/1807 4SM -SHSN BKN020 OVC050 PROB30 1802/1806 1 1/2SM -SHSN OVC015 FM180700 VRB03KT P6SM FEW025 SCT050 BKN240 BECMG 1812/1814 21012KT SCT025 BKN100 RMK FCST BASED ON AUTO OBS NXT FCST BY 180800Z