Aemet reports that extreme values will also be achieved in the south of Galicia (36-38 ° C), west of Castilla y León and coastal points of Alborán. The minimums will not descend from 20-22 ° C in the Mediterranean and the half of Atlantic, reaching 25 ° C, which will aggravate the night thermal stress.
Residual instability in the north
Although the skies will predominate in almost all of Spain, east of Catalonia will register occasional showers in the morningtending to clear later. In the afternoon, cloudiness of evolution will be developed in mountainous areas of the center, north and this peninsularwith the possibility of isolated storms at the eastern end of the Iberian system. In the rest of the Peninsular and the Canary Islands, the Nubed morning skies will dissipate progressively.
The wind will be another prominent factor: will blow with very strong gusts in the Strait (Moderate-Fuerte Levante) and northwest of Galicia (Northeast). It is also expected Moderate section in Ampurdán and Balearic IslandsAlisios in the Canary Islands, and East winds in the Mediterranean. In addition, fog banks are expected in high areas of the north and weak calima at the southern end, which could reduce visibility.
This day represents the most critical day of the heat wave started on August 1which will last at least until the August 5 in Centro and South Peninsular. Aemet underlines that the episode, linked to a reinforced anticyclonic pattern, evidence The warmer and most prolonged summer tendencywith heat waves that begin before and last more than five decades ago. Seasonal prediction for August-October 2025 already anticipated high probabilities of temperatures throughout Spain.
The authorities recommend Extreme hydration and sun protection measures, avoid outdoor activities at central hours of the day, and be attentive to possible restrictions at risk of firesespecially in areas with intense winds such as Galicia or the Ebro Valley.