National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Harry Reid International Airport (KLAS)

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

Partly Cloudy

109°F

43°C

Humidity 6%
Wind Speed SSE 4 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 12 Aug 06:30 PM PDT
Extended Forecast for

4 Miles E Las Vegas NV

Extreme Heat Warning until August 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 13, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 88 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 111. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 111 °F

    Hot

  • Wednesday Night

    Wednesday Night: Widespread haze before 9pm. Mostly clear, with a low around 86. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 86 °F

    Haze then
    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 108. South wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 108 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 83. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 83 °F

    Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 104.

    High: 104 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 81.

    Low: 81 °F

    Slight Chance
    T-storms then
    Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 102.

    High: 102 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 88. Southeast wind around 7 mph becoming southwest in the evening.
Wednesday
Sunny and hot, with a high near 111. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Widespread haze before 9pm. Mostly clear, with a low around 86. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny and hot, with a high near 108. South wind 5 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Clear, with a low around 83. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 104.
Friday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 81.
Saturday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 102.
Saturday Night
Clear, with a low around 80.
Sunday
Sunny, with a high near 103.
Sunday Night
Clear, with a low around 79.
Monday
Sunny, with a high near 103.
Monday Night
Clear, with a low around 81.
Tuesday
Sunny and hot, with a high near 105.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Las Vegas NV
 36.06°N 115.08°W (Elev. 1923 ft)
Last Update:
4:17 pm PDT Aug 12, 2025
Forecast Valid:
6pm PDT Aug 12, 2025-6pm PDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation