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

90°F

32°C

Humidity 22%
Wind Speed S 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 02:50 AM PDT
Extended Forecast for

5 Miles WNW 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 85. Light west wind.

    Low: 85 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 107. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 107 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 86. West southwest wind 5 to 9 mph becoming light west  after midnight.

    Low: 86 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds and hot, with a high near 108. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 86. Southwest wind 5 to 10 mph becoming light west  after midnight.

    Low: 86 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 108.

    High: 108 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 87.

    Low: 87 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 105.

    High: 105 °F

    Scattered
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 85.

    Low: 85 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 85. Light west wind.
Tuesday
Mostly sunny and hot, with a high near 107. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 86. West southwest wind 5 to 9 mph becoming light west after midnight.
Wednesday
Increasing clouds and hot, with a high near 108. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 86. Southwest wind 5 to 10 mph becoming light west after midnight.
Thursday
Sunny and hot, with a high near 108.
Thursday Night
Partly cloudy, with a low around 87.
Friday
Scattered showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 105.
Friday Night
Mostly cloudy, with a low around 85.
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 85.
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 83.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Harry Reid International Airport NV
 36.11°N 115.26°W (Elev. 2470 ft)
2:26 am PDT Aug 18, 2026
3am 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