Croatia Braces for Extreme Heatwave, Storm Warnings Issued

Croatia is currently enduring a significant heatwave, prompting meteorologists to issue a red alert for the Split and Dubrovnik regions. Friday, August 28, 2026, is anticipated to be the peak of this heat, with temperatures potentially nearing 40°C in some inland areas.

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Although many may have had enough of the heat, with still quite a few hours of sunshine in most of Croatia, we will have it for another week. However, perhaps as a consolation - on Friday, it is very likely to be the last such pronounced heatwave of the year inland, with temperatures nearing 40°C in places!

Despite the oppressive heat, forecasters are warning of a dramatic weather shift. While Friday will be mostly sunny, hot, and very hot, the weather is expected to become unstable, particularly in the evening. Showers and thunderstorms are possible, especially along the northern Adriatic coast, with the potential for locally intensified winds.

The instability is predicted to increase on Saturday, with changeable clouds and longer sunny periods expected, particularly in Dalmatia. However, localized showers accompanied by thunderstorms are possible, potentially becoming more intense in the northern Adriatic early in the day. Meteorologists warn of a significant risk to health from the heat, especially in the southern Adriatic region on Saturday, which will mark the peak of the heatwave there.

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Therefore, it should not be surprising if, after it, in addition to showers and thunderstorms, some stormy weather also appears, especially on Saturday, which will start with a 'difficult' night and morning for many.

Forecasters suggest that the heat may slightly subside overnight into Saturday, but many inland areas might still experience muggy conditions. Daytime temperatures on the weekend and Monday are expected to be less extreme than Friday but will remain hot. The forecast indicates a period of significant weather contrast, with intense heat followed by the possibility of severe storms.

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Moreover, on the central and southern Adriatic on Saturday, it will be the peak of this heatwave, with a very high risk of heat affecting health.