UPDATED FORECAST: When you can expect snowfall hour-by-hour in Sheffield
As the first flakes of snow begin to fall across Sheffield, here is when the Met Office say you can expect snowfall during the course of today.
The Met Office have downgraded the warning from amber to yellow in Sheffield and South Yorkshire, but say 'a spell of heavy snow is possible' in the city. They have also forecast plummeting temperatures of as low as -6 tonight.
Should Sheffield have heavy snowfall, this could lead to road, rail and air travel delays, with the potential for vehicles to become stranded or public transport to be cancelled.
This is when Sheffield is forecast to see snowfall today.