Pascal Lardet, Flood Unit Manager for the Scottish Environment Protection Agency (SEPA) said:
At present specific flood warnings have been issued for the Carse of Lennoch to Lochlane, Crieff to Innerpeffray and Glen Lyon. More general flood alerts are also currently in place for Tayside, Argyll and Bute, Central, Fife, Scottish Borders, Skye and Lochaber, Wester Ross and the Western Isles.
"Rainfall will be heaviest over north Argyll, Lochaber and western Tayside during today. This evening the heaviest rainfall will be in Dumfries and Galloway and the western Borders, while strong to gale force southerly winds will affect the Outer Hebrides.
"There is a risk of coastal flooding impacts in the North and West during Friday and Saturday, in addition to a widespread risk of surface water and fluvial flooding impacts (with eastern regions at greatest risk).
"A surge and large waves are both expected to build along northern and western coasts from Friday evening into Saturday morning, and will be accompanied by strong local winds in the North West and Western Isles. Rivers may be impacted in Stirlingshire (River Teith, River Devon), Aberdeenshire and Aberdeen City (Don at Kintore), Easter Ross and Great Glen (Glass at Kerrow Wood), and Perthshire (Ruchill Water in Comrie, River Earn, River Tay and River Isla).
"Members of the public, in areas which could be affected, are encouraged to remain vigilant and mindful of the conditions in their locality, especially if travelling. Businesses and members of the public can access the latest flood updates for their area, and sign up to Floodline, our direct warning service, via our website www.sepa.org.uk, or by calling 0845 988 1188."