Issued: 0530hrs Thursday 17th September 2026
Duty forecaster: Alexi Venerus

Thundery downpours across Italy

Thursday
Thundery rain affecting parts of eastern Spain, otherwise dry and fine here as well as across Portugal. Unsettled morning for the Balearics with heavy rain continuing but an improvement into the afternoon. Some showers affecting Corsica and Sardinia and some heavy rain across northern into central parts of Italy. Southern Italy including Sicily staying dry with sunshine. Dry and fair across Greece yet showery through Turkey.
Cloudy skies and patchy rain will affect north and west France, though elsewhere will be dry and fine. Wet and windy across Belgium and the Netherlands into the far northwest of Germany. Elsewhere across Germany will be less windy and dry with sunny spells. Thundery rain affecting southern regions of Switzerland and southwest Austria. Dry for the Balkan States. Some rain for Poland but many staying dry.
Wet and windy across Denmark into southern regions of Norway and Sweden. Less windy and drier across central regions and northern regions. Unsettled too for Finland with showery rain, particularly affecting more central and northern areas here. Blustery showers for the Baltic States.

Friday
Thundery showers continue to affect eastern regions of Spain and will push on to the Balearics. Elsewhere across Spain and throughout Portugal it will be dry with sunny spells, though breezy in the north. The odd shower for Sardinia but mostly dry here as well as across Corsica. Developing thundery downpours across much of Italy. Largely dry and fine across Greece and Turkey.
Largely dry with sunny spells across France. Windy with some patchy rain for coastal areas of the Low Countries but mainly dry here. Windy with coastal showers affecting northern Germany but elsewhere here will be dry and fine. Largely dry across Switzerland. Thundery downpours affecting west Austria while largely dry further east. Unsettled across Croatia and Hungary with thundery rain.
Blustery showers affecting Denmark and the Baltic States. Strong winds also affecting the far south of Norway where rain will push on to western coasts here, drier and less windy further north. Wet and windy across south Sweden. Some rain further north but less windy. Unsettled with outbreaks of rain and blustery winds across Finland.