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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder City Municipal Airport (KBVU)

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

Clear

82°F

28°C

Humidity 30%
Wind Speed N 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Aug 04:55 AM PDT
Extended Forecast for

3 Miles NE Lake Mead NV

Extreme Heat Warning August 13, 05:28am until August 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 13, 05:28am until August 13, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 105 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 85. South wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 85 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 103. South wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 84. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 84 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 99. South wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 99 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 81.

    Low: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms. Sunny, with a high near 98.

    High: 98 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Clear, with a low around 80.

    Low: 80 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 105. South wind 8 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 85. South wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 103. South wind 6 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 84. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Friday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 99. South wind 9 to 14 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 81.
Saturday
A 10 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Saturday Night
Clear, with a low around 80.
Sunday
Sunny, with a high near 99.
Sunday Night
Clear, with a low around 78.
Monday
Sunny, with a high near 99.
Monday Night
Clear, with a low around 80.
Tuesday
Sunny, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Lake Mead NV
 36.11°N 114.73°W (Elev. 1079 ft)
Last Update:
4:22 am PDT Aug 13, 2025
Forecast Valid:
5am PDT Aug 13, 2025-6pm PDT Aug 19, 2025
 
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