Martyn Davies has the forecast for March 20.
The forecast for tonight and tomorrow in the west with Philippa Drew
Tonight's forecast for the east of the region with Philippa Drew
Commuters are being urged to be vigilant because of dense fog which has hit the region.
Many of our counties are affected but warnings are in place in Berkshire around Reading and surrounding areas.
There are also warnings of patchy dense fog around Oxfordshire.