Toulouse awoke to dense fog on Monday morning, significantly reducing visibility across the city and prompting a call for caution on the roads. At 9 AM, the temperature was 6°C with 100% humidity and minimal wind, conditions conducive to fog formation. The article reminds drivers that visibility below 50 meters requires a speed limit of 50 km/h and advises reducing speed, increasing following distance, and using dipped headlights and front fog lights. Clearer skies and temperatures up to 12°C are forecast for the afternoon.