Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Nellis Air Force Base (KLSV)

Lat: 36.23333°NLon: 115.03333°WElev: 1870.0ft.

Clear

107°F

42°C

Humidity 6%
Wind Speed WSW 16 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 19 Aug 06:55 PM PDT
Extended Forecast for

4 Miles NNE Las Vegas NV

Extreme Heat Warning August 19, 07:45pm until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 07:45pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 85 °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 morning. Winds could gust as high as 18 mph.

    High: 109 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 86. South wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 86 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 105. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 105 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. Southeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 106.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 83.

    Low: 83 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 11am.  Sunny and hot, with a high near 105.

    High: 105 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 85. South southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 109. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 86. South wind 5 to 9 mph becoming light and variable after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 105. Light and variable wind becoming south 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 82. Southeast wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 106.
Saturday Night
Partly cloudy, with a low around 83.
Sunday
A slight chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 105.
Sunday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 82.
Monday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 102.
Monday Night
Partly cloudy, with a low around 80.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 102.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
Sunny, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Las Vegas NV
 36.24°N 115.11°W (Elev. 1936 ft)
11:33 am PDT Aug 19, 2026
7pm PDT Aug 19, 2026-6pm PDT Aug 26, 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