Las Vegas, Nev. – Sweltering heat is set to grip southern Nevada’s lakes through Labor Day, with highs peaking near 111°F and strong winds stirring up waves at Lake Mohave. The National Weather Service warns boaters and swimmers to prepare for dangerous conditions, especially where gusts could top 20 mph and create choppy waters of up to 1.5 feet.
According to the National Weather Service Las Vegas, Lake Mead will see temperatures climb from 108°F Saturday to 111°F Monday, with relatively calm winds under 10 mph keeping waves around a foot. Lake Havasu will run just as hot, with highs near 109°F Sunday and breezier conditions returning Monday as winds increase up to 20 mph.
At Lake Mohave, boaters face the most hazardous water. Winds will reach 10–20 mph Saturday with waves cresting between one and 1.5 feet before subsiding Sunday and Monday. Officials advise using extra caution for smaller watercraft.
Visitors are urged to stay hydrated, wear sunscreen, and avoid extended time outdoors during peak afternoon heat.
Excessive heat and boating risks will continue through Monday, with updates expected if stronger winds or higher temperatures develop.
Five Day Forecast for Las Vegas, Nevada
- Saturday: High 108°F, light winds, mostly sunny
- Sunday: High 110°F, calmer winds, extreme heat risk
- Monday (Labor Day): High 111°F, hot and dry, breezy in spots
- Tuesday: High 109°F, sunny and slightly cooler overnight
- Wednesday: High 107°F, light winds, clear skies
