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

100°F

38°C

Humidity 10%
Wind Speed W 6 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 07:55 PM PDT
Extended Forecast for

Boulder City NV

Extreme Heat Warning August 19, 08:13pm until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 08:13pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 86 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 106. South wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 106 °F

    Hot

  • Thursday Night

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

    Low: 86 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 103. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 103 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. East southeast wind around 6 mph becoming calm  in the evening.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 104.

    High: 104 °F

    Sunny

  • 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.  Mostly sunny, with a high near 103.

    High: 103 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 86. South wind 5 to 9 mph.
Thursday
Sunny and hot, with a high near 106. South wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 86. South wind 5 to 9 mph becoming light after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 103. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 82. East southeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 104.
Saturday Night
Partly cloudy, with a low around 83.
Sunday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 103.
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 100.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 100.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
Sunny, with a high near 102.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Boulder City NV
 35.98°N 114.84°W (Elev. 2612 ft)
11:33 am PDT Aug 19, 2026
8pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database