Our weather presenter Simon Parkin has been finding out how best we can prepare for tomorrow's blizzard-like conditions. He has advice from the AA about what best to keep in your car.
In Surrey, gritting lorries are heading out to salt major roads and the M25 tonight. In Hampshire, 100 farmers are on standby to help clear the roads of snow and 3, 000 community saltbins have been topped up with supplies.
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Tuesday night's forecast for the west of the region