The Met Office has issued a severe weather warning for Derry and other parts of the North.
The status yellow weather warning is for heavy rainfall, snow and gale force winds on Wednesday and Thursday.
The weather warning was issued on Tuesday morning and is valid from 10p.m. on Wednesday to 2p.m. on Thursday.
The Met Office said there is also the possibility of snow in mostly higher grounds but with a risk to lower levels for a time.
Gale force winds are also expected to batter the North on Thursday morning as the weather system clears to the East.
People should be aware of the potential for some travel disruption, localised flooding and surface spray.
“Rainfall totals of 20-30mm could bring some localised flooding and surface water issues,” said the Met Office’s Chief Forecaster.
“With any temporary snowfall bringing some difficult travel conditions. Then later on Thursday morning gusts of 55 m.p.h. could bring some minor travel disruption.”