Europe forecast - August 12, 2017
Hot in Portugal
Thundery Balkans

Issued: 0530hrs Saturday 12th August 2017
Duty forecaster: Garry Nicholson


Unsettled, cool and breezy northern Europe


Saturday
High pressure influences western Europe, bringing fair weather to Spain and Portugal, highs 37C in south-western Iberia, nearer 27C in the east, and cooler on the Biscay coast. Dry for southern France and Italy, highs 29C. Some thundery rain for the Balkans, which may break out more widely later, advancing slowly eastwards. Meanwhile Greece and areas toward the Black Sea stay hot and dry, up to 35C.
Across northern Europe, westerly winds bring cloudy skies a little rain for northern France, the Low Countries and Germany. Quiet cool at 17 to 22C. Dry for the Alps. A front passes slowly across Poland bringing a risk of thundery rain locally. Breezy for the southern Baltic. Mixed across Scandinavia with low pressure in charge, with some slow-moving areas of rain for Norway, but much of Sweden should escape dry most of the day. Humid with thunderstorms developing for the Baltic states and Finland.


Sunday
A fair day for much of western Europe as high pressure influences many countries. A flow of air from the interior of Iberia produces high temperatures in western Spain and Portugal, into the upper-30s Celsius. Around 28 to 30C for eastern Spain and southern France. Dry for Italy, Greece and the Balkans. Thunderstorms drifting east into Romania and Bulgaria. Dry and up to 30C in Hungary.
A weak cold front across central Europe brings cloud and a risk of local showery rain, focused on central Germany and Poland. Fine around the North Sea and English Channel, 20 to 22C. Westerly winds bring rain to west & north-west Norway, highs of 13C in the far north. Dry for much of Sweden, 19C in the south. Rain or showers for Finland and Baltic states.