A yellow, be aware warning has been put in place across the southwest of the country tonight with heavy rain expected in parts of Northern Ireland and southwest Scotland.
The Met Office has warned that there is a risk of flooding and delays or cancellations to train and bus services in parts of Strathclyde.
Another weather warning is also in place on Friday for Central, Tayside and Fife with a wind and rain yellow warning in place from 1pm until Saturday.
Delays for high-sided vehicles on exposed routes and bridges and some short term loss of power and other services could be expected in the areas.
“A band of heavy rain is expected to move east during Friday with widely 15-25 mm of rain falling and perhaps 50 mm over higher ground.
“This will be in addition to other spells of heavy rain earlier in the week affecting a similar area.
“Rain will be accompanied by strong winds with gusts of 50 mph possible inland and perhaps 60 mph around some coasts.”
It added that people should expect: “A few homes and businesses flooded; spray and flooding on roads will make journey times longer; some delays to road, rail, air and ferry transport.”
It also warned of delays for high-sided vehicles on exposed routes and bridges, “some short term loss of power and other services” and “coastal routes, sea fronts and coastal communities affected by spray and/or large waves”.