Roads around the Mountain Course are due to close at 6pm
There's a 'poor prospect' of qualifying at the Manx Grand Prix this evening.
Roads around the Mountain Course are due to close at 6pm ahead of Senior and Supersport qualifying, followed by the Junior MGP and Sportbike qualifying.
But forecaster at Ronaldsway Met Office, Adrian Cowin says rain, drizzle and hill fog may hamper conditions.
He adds the situation is set to improve later in the week:
Qualifying session cancelled due to weather
Mountain Course conditions unlikely to improve
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Police issue warning as qualifying underway on Snaefell Mountain Course