Final decision to be made at 5:30pm
Race organisers say this evening's Manx Grand Prix qualifying session is subject to change.
There's a chance of showers across the Island in the next few hours.
Roads are due to close at 6pm, with the first bikes set to leave the grandstand at 6:30pm.
A final decision will be issued at 5:30pm.
Stewart and Harrison first in MGP & Classic TT qualifying
Riders complete Thursday's contingency session
MGP: Evening session called off due to wet roads
Roads will shut again tomorrow morning
'Sam's character, determination and passion for the sport touched so many people'
Andreas Racing Association 'deeply saddened' by death of Manx rider
Tributes paid to 'one of the very best'
Sam Naughton was killed in MGP qualifying yesterday