Las Vegas, Nevada – A brief round of monsoon-style thunderstorms could interrupt Las Vegas plans Friday, July 18, before a searing heat wave builds through the weekend.
According to the National Weather Service, a 50% chance of showers and thunderstorms is expected after 2 p.m. Friday in Las Vegas. Skies will gradually clear Friday night, with a high near 100°F and light winds shifting northwest after sunset. While rain may be brief, drivers should watch for slick roads, especially along I-15 and US-95 near downtown Las Vegas.
By Saturday, the valley turns dry and dangerous again. Highs will surge to 104°F under sunny skies, with no chance of rain through early next week. Sunday’s high could peak near 105°F, continuing a streak of triple-digit temperatures that shows no sign of breaking through Wednesday, July 23.
Those spending time outdoors this weekend should limit exposure during peak hours, stay hydrated, and never leave children or pets in parked cars. Power grids may feel the strain, especially Sunday and Monday, with highs forecast at 105°F and 104°F, respectively.
🌤️ Extended Forecast for Las Vegas: July 18–23
- Friday, July 18: 50% chance of afternoon thunderstorms. High: 100°F. Clearing by late evening.
- Saturday: Sunny and hot. High near 104°F.
- Sunday: Mostly sunny, dangerously hot. High near 105°F.
- Monday: Mostly clear. High: 104°F. Low: 81°F.
- Tuesday: Partly cloudy. High: 103°F.
- Wednesday: Mostly sunny. High: 103°F.
⚠️ Heat safety and hydration remain top priorities as summer intensifies across southern Nevada.
