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

Boulder City Municipal Airport (KBVU)

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

Clear

84°F

29°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 03:55 AM PDT
Extended Forecast for

15 Miles E Lake Mead NV

Extreme Heat Warning August 20, 04:06am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 20, 04:06am until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 85. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 85 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 10%.

    High: 96 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 83. Light south southeast wind.

    Low: 83 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 84.

    Low: 84 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 84.

    Low: 84 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 98. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 85. West wind 5 to 7 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 83. Light south southeast wind.
Saturday
Sunny, with a high near 97. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 84.
Sunday
Sunny, with a high near 97.
Sunday Night
Partly cloudy, with a low around 84.
Monday
Sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 83.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 83.
Wednesday
Sunny, with a high near 96.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles E Lake Mead NV
 36.09°N 114.47°W (Elev. 1079 ft)
11:33 pm MST Aug 19, 2026
4am MST Aug 20, 2026-6pm MST 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