GFS Sees +40°C in Slovakia already in 5 Days (!)

The latest runs of the GFS weather model has sent shockwaves through Central Europe, projecting that Slovakia could experience temperatures soaring to +40°C in only five days (already on Thursday, June 26th 2025). Such an extreme heat event so early in the summer would be unprecedented in recent history for the region, marking a significant escalation in heatwave intensity and frequency.

This forecast indicates a strong heat dome setting over Central Europe, funneling a hot, dry air mass from the Saharan region and southern Europe directly into Slovakia. The high-pressure system will trap scorching air near the surface, pushing daytime temperatures dangerously high across much of the country.

A +40°C reading in Slovakia would bring serious consequences: increased risk of heat-related illnesses, especially for vulnerable populations; intense strain on energy grids as demand for air conditioning surges; heightened wildfire risk in forests and rural areas; and stress on agriculture and water resources during the critical early growing season.

While weather forecasts several days out carry some uncertainty, the GFS model’s consistency in recent runs suggests Slovakians should prepare for a major heatwave event. This extreme temperature projection fits a troubling pattern of earlier, stronger heatwaves linked to climate change impacting Central Europe.