Organisers will inspect the Mountain Course throughout this afternoon to see if conditions recover enough to allow this evening's Manx Grand Prix practice session to go ahead.
At least two inches of rain over the hills and over an inch at lower levels fell this morning, leaving large areas of standing water.
The weather is improving but Clerk of the Course Phil Taubman is worried about water running onto the roads from saturated land:-

Researching your Manx family history can be a very interesting and rewarding hobby. Trace your roots in the Isle of Man with our helpful of guide.