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 SSW 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 03:00 AM PDT
Extended Forecast for

4 Miles E Las Vegas 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 steady temperature around 90. Southwest wind around 5 mph.

    Low: 90 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds and hot, with a high near 109. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 109 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 88. Southwest wind 5 to 8 mph.

    Low: 88 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds and hot, with a high near 109. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 109 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 89. Southwest wind 5 to 8 mph.

    Low: 89 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 109.

    High: 109 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 90.

    Low: 90 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 11am.  Partly sunny and hot, with a high near 107.

    High: 107 °F

    Scattered
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 88.

    Low: 88 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 90. Southwest wind around 5 mph.
Tuesday
Increasing clouds and hot, with a high near 109. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 88. Southwest wind 5 to 8 mph.
Wednesday
Increasing clouds and hot, with a high near 109. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 89. Southwest wind 5 to 8 mph.
Thursday
Sunny and hot, with a high near 109.
Thursday Night
Partly cloudy, with a low around 90.
Friday
Scattered showers and thunderstorms, mainly after 11am. Partly sunny and hot, with a high near 107.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 88.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Saturday Night
Partly cloudy, with a low around 88.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 105.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 86.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Las Vegas NV
 36.06°N 115.08°W (Elev. 1923 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database