Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Henderson (CMP10)

Lat: 36.0075°NLon: 114.96556°WElev: 2190.0ft.

NA

99°F

37°C

Humidity 22%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index97°F (36°C)
Last update 28 Jul 10:30 PM PDT
Extended Forecast for

4 Miles WNW Lake Mead NV

Extreme Heat Warning July 30, 10:00am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 88. South wind 6 to 9 mph.

    Low: 88 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 110. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 110 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 85. South wind 5 to 10 mph becoming light south southwest  after midnight.

    Low: 85 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 112. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 112 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 86. South wind 5 to 7 mph becoming calm  after midnight.

    Low: 86 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 115.

    High: 115 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 91.

    Low: 91 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 116.

    High: 116 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 93.

    Low: 93 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 88. South wind 6 to 9 mph.
Wednesday
Sunny and hot, with a high near 110. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 85. South wind 5 to 10 mph becoming light south southwest after midnight.
Thursday
Sunny and hot, with a high near 112. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 86. South wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 115.
Friday Night
Mostly clear, with a low around 91.
Saturday
Sunny and hot, with a high near 116.
Saturday Night
Clear, with a low around 93.
Sunday
Sunny and hot, with a high near 116.
Sunday Night
Clear, with a low around 92.
Monday
Sunny and hot, with a high near 113.
Monday Night
Clear, with a low around 91.
Tuesday
Sunny and hot, with a high near 113.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Lake Mead NV
 36.09°N 114.83°W (Elev. 1407 ft)
12:43 pm PDT Jul 28, 2026
11pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database