National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder City Municipal Airport (KBVU)

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

Clear

97°F

36°C

Humidity 22%
Wind Speed ENE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 16 Aug 12:15 PM PDT
Extended Forecast for

21 Miles E Lake Mead NV

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

  • This Afternoon

    This Afternoon: Sunny, with a high near 103. Northwest wind around 6 mph.

    High: 103 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 86. Calm wind.

    Low: 86 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 107. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 107 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 87. South southeast wind 3 to 5 mph.

    Low: 87 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 109. Light south southeast wind becoming south southwest 6 to 11 mph in the afternoon.

    High: 109 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 88.

    Low: 88 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 110.

    High: 110 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 89.

    Low: 89 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 108.

    High: 108 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 103. Northwest wind around 6 mph.
Tonight
Mostly clear, with a low around 86. Calm wind.
Monday
Sunny and hot, with a high near 107. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 87. South southeast wind 3 to 5 mph.
Tuesday
Sunny and hot, with a high near 109. Light south southeast wind becoming south southwest 6 to 11 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 88.
Wednesday
Sunny and hot, with a high near 110.
Wednesday Night
Mostly clear, with a low around 89.
Thursday
A slight chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 108.
Thursday Night
Partly cloudy, with a low around 89.
Friday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 105.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 88.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 104.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles E Lake Mead NV
 36.08°N 114.38°W (Elev. 1339 ft)
Last Update:
12:17 pm MST Aug 16, 2026
Forecast Valid:
12pm MST Aug 16, 2026-6pm MST Aug 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation