Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Harry Reid International Airport (KLAS)

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

Clear

91°F

33°C

Humidity 21%
Wind Speed SW 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 12:20 AM PDT
Extended Forecast for

7 Miles W Harry Reid International Airport NV

Extreme Heat Warning August 18, 10:00am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly clear, with a low around 83. West wind around 6 mph.

    Low: 83 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 106. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 106 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84. West southwest wind 6 to 10 mph.

    Low: 84 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds and hot, with a high near 107. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 107 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 84. West southwest wind 6 to 11 mph.

    Low: 84 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 85.

    Low: 85 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms after 11am.  Mostly sunny, with a high near 104.

    High: 104 °F

    Scattered
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 83.

    Low: 83 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 83. West wind around 6 mph.
Tuesday
Mostly sunny and hot, with a high near 106. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 84. West southwest wind 6 to 10 mph.
Wednesday
Increasing clouds and hot, with a high near 107. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 84. West southwest wind 6 to 11 mph.
Thursday
Sunny and hot, with a high near 107.
Thursday Night
Partly cloudy, with a low around 85.
Friday
Scattered showers and thunderstorms after 11am. Mostly sunny, with a high near 104.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 83.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 104.
Saturday Night
Partly cloudy, with a low around 83.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 103.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Harry Reid International Airport NV
 36.06°N 115.31°W (Elev. 2710 ft)
11:33 pm PDT Aug 17, 2026
12am PDT Aug 18, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database