Even though the high winds will be the main concern, a spell of heavy and possibly thundery rain will occur too, making for an extremely windy and wet start, with squally conditions associated with the secondary cold front as it tracks north-eastwards up across the country.
A yellow warning for wind is in place across the west coast of Scotland, including Glasgow and parts of the central belt, throughout Friday.
A storm that's been dubbed "Callum" will pass to northwest of the United Kingdom on Friday, bringing winds of up to 70mph and a prolonged downpour that will create hazardous conditions across the country.
There are two rain warnings from the Met office, one for Friday for Wales, also Cumbria into southern Scotland.
Both Met Éireann and Midland Weather Channel have issued severe weather warnings ahead of Storm Callum's arrival in Ireland tonight.
Drivers are being urged to adapt to the roads in the coming days and to be on the lookout for vulnerable road users as high winds are expected to hit from Thursday night - 11 October - through to Saturday.
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Together, higher temperatures and precipitation changes will decrease soil moisture and increase drought. Scientists at the time considered it to be the threshold for the most severe effects of climate change .
STV's weather presenter Sean Batty says the north and west of the country will be worst affected as Storm Callum arrives.
The Met Office said 50-60mph gusts were likely on Friday "with the potential for gusts of 70-80mph around exposed coasts and hills". Spray and flooding is also likely to lead to hard driving conditions and some road closures.
A Status orange wind warning is in place for counties Donegal, Galway, Mayo, Sligo and Clare from Thursday afternoon until Friday evening at 5pm. "Road users should also be aware of the risk of their vehicles aquaplaning on standing water".
NRW will issue flood alerts and warnings if rivers reach trigger levels, with teams monitoring river levels 24 hours a day. The focus of heaviest rainfall will remain across Wales, and move increasingly into parts of Scotland.
"Our teams are doing all they can to reduce the risk for communities, but if there is flooding we want to make sure people are doing all they can to keep themselves safe".