Overview
- The National Weather Service placed Las Vegas under a flood watch from Tuesday into early Wednesday, with a flash-flood window from 10 p.m. to 4 a.m. local time.
- Officials warned of 0.5 to 1 inch of rain and rapid runoff in sensitive basins after a wetter-than-usual weekend for the desert city.
- Videos circulated showing localized flooding across the city, including water on publicly accessible sections of the Las Vegas Street Circuit.
- Outlets report qualifying has a lower rain risk and the main night race is expected to be mostly dry, though pre-event logistics could be affected.
- Cold conditions near 11–14°C are forecast to challenge tyre warm-up and setup, with the race arriving as Round 22 and Lando Norris leading Oscar Piastri by 24 points.