National Weather Service Forecast for: Boulder City NV
Issued by: National Weather Service Las Vegas, NV
Updated: 12:43 pm PDT Jul 28, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 84. South wind 6 to 14 mph, with gusts as high as 23 mph.
Mostly Cloudy
Wednesday

Wednesday: Sunny and hot, with a high near 107. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph becoming light south southwest  after midnight.
Mostly Clear
Thursday

Thursday: Sunny and hot, with a high near 108. Calm wind becoming south southeast 5 to 8 mph in the morning.
Hot
Thursday
Night
Thursday Night: Clear, with a low around 82. South wind 5 to 7 mph becoming calm  after midnight.
Clear
Friday

Friday: Sunny and hot, with a high near 111.
Hot
Friday
Night
Friday Night: Mostly clear, with a low around 87.
Mostly Clear
Saturday

Saturday: Sunny and hot, with a high near 113.
Hot
Saturday
Night
Saturday Night: Clear, with a low around 89.
Clear
Lo 84 °F Hi 107 °F Lo 81 °F Hi 108 °F Lo 82 °F Hi 111 °F Lo 87 °F Hi 113 °F Lo 89 °F

Extreme Heat Warning
 

Tonight
 
Mostly cloudy, with a low around 84. South wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday
 
Sunny and hot, with a high near 107. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
 
Mostly clear, with a low around 81. South wind 5 to 10 mph becoming light south southwest after midnight.
Thursday
 
Sunny and hot, with a high near 108. Calm wind becoming south southeast 5 to 8 mph in the morning.
Thursday Night
 
Clear, with a low around 82. South wind 5 to 7 mph becoming calm after midnight.
Friday
 
Sunny and hot, with a high near 111.
Friday Night
 
Mostly clear, with a low around 87.
Saturday
 
Sunny and hot, with a high near 113.
Saturday Night
 
Clear, with a low around 89.
Sunday
 
Sunny and hot, with a high near 111.
Sunday Night
 
Clear, with a low around 88.
Monday
 
Sunny and hot, with a high near 110.
Monday Night
 
Clear, with a low around 87.
Tuesday
 
Sunny and hot, with a high near 110.

 

Forecast from NOAA-NWS for Boulder City NV.