Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Boulder City Municipal Airport (KBVU)

Lat: 35.9475°NLon: 114.8611°WElev: 2200.0ft.

Clear

90°F

32°C

Humidity 25%
Wind Speed N 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 10:15 PM PDT
Extended Forecast for

7 Miles SSE Lake Mead NV

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

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 90 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 106. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 106 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 90. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 90 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 104. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 104 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 91. South wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.

    Low: 91 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 105. Chance of precipitation is 40%.

    High: 105 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 89.

    Low: 89 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 108.

    High: 108 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 90. Light south southeast wind.
Wednesday
Mostly sunny and hot, with a high near 106. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 90. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 104. South wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 91. South wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 105. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 89.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 108.
Saturday Night
Partly cloudy, with a low around 89.
Sunday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Sunday Night
Partly cloudy, with a low around 89.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 104.
Monday Night
Mostly clear, with a low around 88.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Mead NV
 35.97°N 114.7°W (Elev. 1490 ft)
11:33 am MST Aug 18, 2026
10pm MST Aug 18, 2026-6pm MST Aug 25, 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