Overview
- Forecasters expect the national peak Wednesday–Thursday, with departures of roughly 5–10°C above norms and local mid‑November records possible.
- The hottest zone centers on the southwest from the Pyrénées toward Centre‑Val de Loire and the Jura, with 25–29°C in places such as Bayonne, Pau and the Basque coast, and around 18–21°C in northern cities.
- The setup combines depression Claudia and a European anticyclone that pump warm air north, with foehn effects enhancing highs near the Pyrénées.
- The same flow is bringing Saharan dust that will tint skies and could dirty surfaces, with dust likely to mix with rain between Friday and Saturday and briefly degrade air quality.
- Météo‑France flags strong southerly winds with yellow advisories for multiple departments—gusts near 60–70 km/h widely and up to about 90 km/h in the Pyrénées—before a sharp cool‑down this weekend into early next week of roughly 10°C.