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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder City Municipal Airport (KBVU)

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

Clear

104°F

40°C

Humidity 17%
Wind Speed SE 12 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 17 Aug 01:15 PM PDT
Extended Forecast for

24 Miles E 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

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 105. North wind 6 to 9 mph becoming southwest.

    High: 105 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 89. South southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 89 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 107. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon.

    High: 107 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 89. Southeast wind 3 to 8 mph.

    Low: 89 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 107. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.

    High: 107 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 90.

    Low: 90 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 90.

    Low: 90 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.

    High: 106 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 105. North wind 6 to 9 mph becoming southwest.
Tonight
Mostly clear, with a low around 89. South southwest wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Mostly sunny and hot, with a high near 107. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 89. Southeast wind 3 to 8 mph.
Wednesday
Sunny and hot, with a high near 107. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 90.
Thursday
Sunny and hot, with a high near 107.
Thursday Night
Partly cloudy, with a low around 90.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Friday Night
Partly cloudy, with a low around 89.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 106.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 89.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 105.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
24 Miles E Lake Mead NV
 36.04°N 114.32°W (Elev. 1339 ft)
Last Update:
12:38 pm MST Aug 17, 2026
Forecast Valid:
1pm MST Aug 17, 2026-6pm MST Aug 23, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation