National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Harry Reid International Airport (KLAS)

Lat: 36.07188°NLon: 115.1634°WElev: 2180.0ft.

Clear

88°F

31°C

Humidity 7%
Wind Speed WSW 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 31 Jul 05:20 AM PDT
Extended Forecast for

Las Vegas NV

Extreme Heat Warning July 31, 05:43am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 31, 05:43am until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 113 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 88. East wind 5 to 7 mph becoming west southwest in the evening.

    Low: 88 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 115. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 115 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 89. West southwest wind around 9 mph.

    Low: 89 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 114. South wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 114 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 91.

    Low: 91 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 113.

    High: 113 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 88.

    Low: 88 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 113. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 88. East wind 5 to 7 mph becoming west southwest in the evening.
Saturday
Sunny and hot, with a high near 115. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 89. West southwest wind around 9 mph.
Sunday
Sunny and hot, with a high near 114. South wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 91.
Monday
Sunny and hot, with a high near 113.
Monday Night
Clear, with a low around 88.
Tuesday
Sunny and hot, with a high near 113.
Tuesday Night
Clear, with a low around 90.
Wednesday
Sunny and hot, with a high near 112.
Wednesday Night
Mostly clear, with a low around 89.
Thursday
Sunny and hot, with a high near 111.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Las Vegas NV
 36.08°N 115.14°W (Elev. 2067 ft)
Last Update:
3:37 am PDT Jul 31, 2026
Forecast Valid:
5am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation