Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Harry Reid International Airport (KLAS)

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

Partly Cloudy

109°F

43°C

Humidity 10%
Wind Speed SSW 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 19 Aug 02:35 PM PDT
Extended Forecast for

Las Vegas NV

Extreme Heat Warning August 19, 02:53pm until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 02:53pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 111 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 87. South southwest wind 6 to 10 mph.

    Low: 87 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 109. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 109 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 88. South southwest wind 5 to 9 mph.

    Low: 88 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 105. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 105 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 84.

    Low: 84 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 106.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 86.

    Low: 86 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 111. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 87. South southwest wind 6 to 10 mph.
Thursday
Sunny and hot, with a high near 109. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 88. South southwest wind 5 to 9 mph.
Friday
A 30 percent chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 105. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 84.
Saturday
Sunny and hot, with a high near 106.
Saturday Night
Partly cloudy, with a low around 86.
Sunday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 105.
Sunday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 84.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
Las Vegas NV
 36.08°N 115.14°W (Elev. 2067 ft)
11:33 am PDT Aug 19, 2026
2pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database