Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Harry Reid International Airport (KLAS)

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

Partly Cloudy

106°F

41°C

Humidity 12%
Wind Speed SW 19 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 18 Aug 01:20 PM PDT
Extended Forecast for

Las Vegas NV

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

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 109 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 86. Southwest wind 5 to 9 mph.

    Low: 86 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 109. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 109 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 87. Southwest wind 5 to 9 mph.

    Low: 87 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 109. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 109 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 88.

    Low: 88 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 104. Chance of precipitation is 40%.

    High: 104 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 86.

    Low: 86 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 109. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 86. Southwest wind 5 to 9 mph.
Wednesday
Mostly sunny and hot, with a high near 109. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 87. Southwest wind 5 to 9 mph.
Thursday
Sunny and hot, with a high near 109. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 88.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 104. Chance of precipitation is 40%.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 86.
Saturday
Mostly sunny and hot, with a high near 105.
Saturday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 86.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 104.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 85.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 101.
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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 18, 2026
1pm PDT Aug 18, 2026-6pm PDT Aug 24, 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