Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Boulder City Municipal Airport (KBVU)

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

Clear

91°F

33°C

Humidity 21%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 10:15 PM PDT
Extended Forecast for

12 Miles ENE Lake Mead NV

Extreme Heat Warning August 18, 10:00am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 86. Light and variable wind.

    Low: 86 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 104. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 104 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 87. South wind 3 to 8 mph.

    Low: 87 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 88. South wind 3 to 8 mph.

    Low: 88 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 104.

    High: 104 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 88.

    Low: 88 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 103.

    High: 103 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 87.

    Low: 87 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 86. Light and variable wind.
Tuesday
Mostly sunny, with a high near 104. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 87. South wind 3 to 8 mph.
Wednesday
Sunny and hot, with a high near 105. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 88. South wind 3 to 8 mph.
Thursday
Sunny, with a high near 104.
Thursday Night
Partly cloudy, with a low around 88.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 103.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 87.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 103.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 87.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 86.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ENE Lake Mead NV
 36.15°N 114.56°W (Elev. 2418 ft)
1:37 pm PDT Aug 17, 2026
10pm PDT Aug 17, 2026-6pm PDT Aug 24, 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