Heavy rain is spreading through Western Australia today as Ex-Tropical Cyclone Heidi pushes its way further into the state's interior. Heidi, the first tropical cyclone of the season to impact the WA mainland, crossed the Pilbara coast near Port Hedland as a category two system yesterday morning, before weakening below cyclone strength last night. Masses of moisture circulating around the cyclone were dumped along the Pilbara coast as Heidi made landfall. Accumulated rainfall amounted to 168mm in 24 hours at Pardoo Station, which was their third wettest day on record for January. Port Hedland escaped with a slightly lower 108mm, but still managed their fifth wettest January day on record while battered by gusts up to 130km/h. As the remnants of Heidi continue to move south into WA's Gascoyne district today, widespread rainfall totals of 15-30mm are expected through parts of the Pilbara, Gascoyne, Goldfields and Eucla. The heaviest rain will push further south on Saturday, generating 20-50mm in the Gascoyne and Goldfields. Perth is likely to miss out on most of the action, although the city could still receive a few showers and storms over the next 48 hours.