Drivers planning to use the M1 and A43 in the East Midlands are being warned to allow extra time as the MotoGP gets underway at Silverstone today.
The Highways Agency are warning that roads on the way to the race circuit will be busy throughout the weekend.
More than 55,000 people are expected on Sunday, the final day of the event.
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Into the evening it will remain dry with the best of the clear spells in the west.
Some evening sunshine, although low cloud will spread from the coast into many areas early in the night.
Mr Parnell, from Sileby in Leicestershire, was celebrating his first wedding anniversary.