Noun
weather front (plural weather fronts)
(meteorology) The boundary between two masses of air of different density and/or temperature
Forecasters have said to expect the miserable conditions on Saturday as a weather front of low pressure from the Atlantic moves into the region. Source: Internet
There is a risk of some light rain as there is every day over the bank holiday weekend as there is a weather front up towards the north, but it mainly effects Scotland and just pushes north of Northern Ireland so there is always the threat of rain. Source: Internet