Michael Dunlop has won his 14th TT win after taking first place in yesterday's Supersport race.
He won the four-lap race 13.2 seconds ahead of second-placed James Hillier.
Meanwhile, in the sidecars, Birchall brothers Ben and Tom finished first, ahead of John Holden and Lee Cain.
Roads are due to start closing at 10.45am from Barrule Park in Ramsey, 11am from the Bungalow and at 11.30 around the rest of the course today.
Organisers are hoping the weather will clear in time to start the four-lap Superstock race at 12.15pm - a decision from Clerk of the Course Gary Thompson is due at 10am.
What consideration's being given to getting rid of tax discs?
Can people on benefits still get support if they're treated privately?
Manx student speaks in House of Commons
Below average rainfall in October despite unsettled weather
What's the government doing to encourage people to buy Manx produce?
Debate over MiCards to continue in Keys next week
More changes to sailings due to terminal work
Wedding dress exhibition this weekend